Home / 15,126.30-22,689.45-8,565.30

Finding the Fourth Proportional to 15,126.30, 22,689.45 and 8,565.30

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Solution

The fourth proportional to 15,126.30, 22,689.45 and 8,565.30 is: 12,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.30 : 22,689.45 = 8,565.30 : x
  2. Step 2: Convert to fraction form
    15,126.30/22,689.45 = 8,565.30/x
  3. Step 3: Cross multiply
    15,126.30x = 22,689.45 × 8,565.30
  4. Step 4: Simplify right side
    15,126.30x = 194,341,946.09
  5. Step 5: Solve for x
    x = 194,341,946.09/15,126.30
  6. Step 6: Final answer
    x = 12,847.95

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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.