Home / 11,545.56-15,930.18-8,363.58

Finding the Fourth Proportional to 11,545.56, 15,930.18 and 8,363.58

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Solution

The fourth proportional to 11,545.56, 15,930.18 and 8,363.58 is: 11,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.56 : 15,930.18 = 8,363.58 : x
  2. Step 2: Convert to fraction form
    11,545.56/15,930.18 = 8,363.58/x
  3. Step 3: Cross multiply
    11,545.56x = 15,930.18 × 8,363.58
  4. Step 4: Simplify right side
    11,545.56x = 133,233,334.84
  5. Step 5: Solve for x
    x = 133,233,334.84/11,545.56
  6. Step 6: Final answer
    x = 11,539.79

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Similar ratio
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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.