Home / 11,313.92-15,621.30-7,545.97

Finding the Fourth Proportional to 11,313.92, 15,621.30 and 7,545.97

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Solution

The fourth proportional to 11,313.92, 15,621.30 and 7,545.97 is: 10,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.92 : 15,621.30 = 7,545.97 : x
  2. Step 2: Convert to fraction form
    11,313.92/15,621.30 = 7,545.97/x
  3. Step 3: Cross multiply
    11,313.92x = 15,621.30 × 7,545.97
  4. Step 4: Simplify right side
    11,313.92x = 117,877,861.16
  5. Step 5: Solve for x
    x = 117,877,861.16/11,313.92
  6. Step 6: Final answer
    x = 10,418.83

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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.