Home / 11,218.02-15,475.86-7,237.68

Finding the Fourth Proportional to 11,218.02, 15,475.86 and 7,237.68

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Solution

The fourth proportional to 11,218.02, 15,475.86 and 7,237.68 is: 9,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.02 : 15,475.86 = 7,237.68 : x
  2. Step 2: Convert to fraction form
    11,218.02/15,475.86 = 7,237.68/x
  3. Step 3: Cross multiply
    11,218.02x = 15,475.86 × 7,237.68
  4. Step 4: Simplify right side
    11,218.02x = 112,009,322.40
  5. Step 5: Solve for x
    x = 112,009,322.40/11,218.02
  6. Step 6: Final answer
    x = 9,984.77

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Half scale
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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.