Home / 15,436.13-21,301.41-9,062.61

Finding the Fourth Proportional to 15,436.13, 21,301.41 and 9,062.61

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Solution

The fourth proportional to 15,436.13, 21,301.41 and 9,062.61 is: 12,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.13 : 21,301.41 = 9,062.61 : x
  2. Step 2: Convert to fraction form
    15,436.13/21,301.41 = 9,062.61/x
  3. Step 3: Cross multiply
    15,436.13x = 21,301.41 × 9,062.61
  4. Step 4: Simplify right side
    15,436.13x = 193,046,371.28
  5. Step 5: Solve for x
    x = 193,046,371.28/15,436.13
  6. Step 6: Final answer
    x = 12,506.14

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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.