Home / 15,538.28-23,286.61-8,507.68

Finding the Fourth Proportional to 15,538.28, 23,286.61 and 8,507.68

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Solution

The fourth proportional to 15,538.28, 23,286.61 and 8,507.68 is: 12,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.28 : 23,286.61 = 8,507.68 : x
  2. Step 2: Convert to fraction form
    15,538.28/23,286.61 = 8,507.68/x
  3. Step 3: Cross multiply
    15,538.28x = 23,286.61 × 8,507.68
  4. Step 4: Simplify right side
    15,538.28x = 198,115,026.16
  5. Step 5: Solve for x
    x = 198,115,026.16/15,538.28
  6. Step 6: Final answer
    x = 12,750.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.