Home / 15,640.31-23,451.19-6,284.77

Finding the Fourth Proportional to 15,640.31, 23,451.19 and 6,284.77

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Solution

The fourth proportional to 15,640.31, 23,451.19 and 6,284.77 is: 9,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.31 : 23,451.19 = 6,284.77 : x
  2. Step 2: Convert to fraction form
    15,640.31/23,451.19 = 6,284.77/x
  3. Step 3: Cross multiply
    15,640.31x = 23,451.19 × 6,284.77
  4. Step 4: Simplify right side
    15,640.31x = 147,385,335.38
  5. Step 5: Solve for x
    x = 147,385,335.38/15,640.31
  6. Step 6: Final answer
    x = 9,423.43

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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.