Home / 15,863.55-21,886.29-9,052.68

Finding the Fourth Proportional to 15,863.55, 21,886.29 and 9,052.68

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Solution

The fourth proportional to 15,863.55, 21,886.29 and 9,052.68 is: 12,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.55 : 21,886.29 = 9,052.68 : x
  2. Step 2: Convert to fraction form
    15,863.55/21,886.29 = 9,052.68/x
  3. Step 3: Cross multiply
    15,863.55x = 21,886.29 × 9,052.68
  4. Step 4: Simplify right side
    15,863.55x = 198,129,572.16
  5. Step 5: Solve for x
    x = 198,129,572.16/15,863.55
  6. Step 6: Final answer
    x = 12,489.61

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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.