Home / 19,689.54-29,517.70-8,588.08

Finding the Fourth Proportional to 19,689.54, 29,517.70 and 8,588.08

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Solution

The fourth proportional to 19,689.54, 29,517.70 and 8,588.08 is: 12,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.54 : 29,517.70 = 8,588.08 : x
  2. Step 2: Convert to fraction form
    19,689.54/29,517.70 = 8,588.08/x
  3. Step 3: Cross multiply
    19,689.54x = 29,517.70 × 8,588.08
  4. Step 4: Simplify right side
    19,689.54x = 253,500,369.02
  5. Step 5: Solve for x
    x = 253,500,369.02/19,689.54
  6. Step 6: Final answer
    x = 12,874.88

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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.