Home / 11,082.02-15,291.10-6,606.19

Finding the Fourth Proportional to 11,082.02, 15,291.10 and 6,606.19

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Solution

The fourth proportional to 11,082.02, 15,291.10 and 6,606.19 is: 9,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.02 : 15,291.10 = 6,606.19 : x
  2. Step 2: Convert to fraction form
    11,082.02/15,291.10 = 6,606.19/x
  3. Step 3: Cross multiply
    11,082.02x = 15,291.10 × 6,606.19
  4. Step 4: Simplify right side
    11,082.02x = 101,015,957.86
  5. Step 5: Solve for x
    x = 101,015,957.86/11,082.02
  6. Step 6: Final answer
    x = 9,115.30

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Half scale
Find fourth proportional to 22,164.05, 30,582.21 and 13,212.38
Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.