Home / 15,145.19-20,910.66-9,482.23

Finding the Fourth Proportional to 15,145.19, 20,910.66 and 9,482.23

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Solution

The fourth proportional to 15,145.19, 20,910.66 and 9,482.23 is: 13,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.19 : 20,910.66 = 9,482.23 : x
  2. Step 2: Convert to fraction form
    15,145.19/20,910.66 = 9,482.23/x
  3. Step 3: Cross multiply
    15,145.19x = 20,910.66 × 9,482.23
  4. Step 4: Simplify right side
    15,145.19x = 198,279,678.15
  5. Step 5: Solve for x
    x = 198,279,678.15/15,145.19
  6. Step 6: Final answer
    x = 13,091.92

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Half scale
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Double scale
Find fourth proportional to 15,146.19, 20,912.04 and 9,483.23
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.