Home / 10,539.20-14,545.68-6,349.76

Finding the Fourth Proportional to 10,539.20, 14,545.68 and 6,349.76

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Solution

The fourth proportional to 10,539.20, 14,545.68 and 6,349.76 is: 8,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.20 : 14,545.68 = 6,349.76 : x
  2. Step 2: Convert to fraction form
    10,539.20/14,545.68 = 6,349.76/x
  3. Step 3: Cross multiply
    10,539.20x = 14,545.68 × 6,349.76
  4. Step 4: Simplify right side
    10,539.20x = 92,361,577.04
  5. Step 5: Solve for x
    x = 92,361,577.04/10,539.20
  6. Step 6: Final answer
    x = 8,763.62

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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.