Home / 15,631.38-23,438.57-5,634.77

Finding the Fourth Proportional to 15,631.38, 23,438.57 and 5,634.77

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Solution

The fourth proportional to 15,631.38, 23,438.57 and 5,634.77 is: 8,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.38 : 23,438.57 = 5,634.77 : x
  2. Step 2: Convert to fraction form
    15,631.38/23,438.57 = 5,634.77/x
  3. Step 3: Cross multiply
    15,631.38x = 23,438.57 × 5,634.77
  4. Step 4: Simplify right side
    15,631.38x = 132,070,805.71
  5. Step 5: Solve for x
    x = 132,070,805.71/15,631.38
  6. Step 6: Final answer
    x = 8,449.08

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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.