Home / 15,801.24-21,806.86-9,088.97

Finding the Fourth Proportional to 15,801.24, 21,806.86 and 9,088.97

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Solution

The fourth proportional to 15,801.24, 21,806.86 and 9,088.97 is: 12,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.24 : 21,806.86 = 9,088.97 : x
  2. Step 2: Convert to fraction form
    15,801.24/21,806.86 = 9,088.97/x
  3. Step 3: Cross multiply
    15,801.24x = 21,806.86 × 9,088.97
  4. Step 4: Simplify right side
    15,801.24x = 198,201,928.13
  5. Step 5: Solve for x
    x = 198,201,928.13/15,801.24
  6. Step 6: Final answer
    x = 12,543.44

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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.