Home / 15,948.30-22,008.11-8,874.57

Finding the Fourth Proportional to 15,948.30, 22,008.11 and 8,874.57

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Solution

The fourth proportional to 15,948.30, 22,008.11 and 8,874.57 is: 12,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.30 : 22,008.11 = 8,874.57 : x
  2. Step 2: Convert to fraction form
    15,948.30/22,008.11 = 8,874.57/x
  3. Step 3: Cross multiply
    15,948.30x = 22,008.11 × 8,874.57
  4. Step 4: Simplify right side
    15,948.30x = 195,312,358.35
  5. Step 5: Solve for x
    x = 195,312,358.35/15,948.30
  6. Step 6: Final answer
    x = 12,246.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.