Home / 10,183.43-15,247.42-7,710.77

Finding the Fourth Proportional to 10,183.43, 15,247.42 and 7,710.77

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Solution

The fourth proportional to 10,183.43, 15,247.42 and 7,710.77 is: 11,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.43 : 15,247.42 = 7,710.77 : x
  2. Step 2: Convert to fraction form
    10,183.43/15,247.42 = 7,710.77/x
  3. Step 3: Cross multiply
    10,183.43x = 15,247.42 × 7,710.77
  4. Step 4: Simplify right side
    10,183.43x = 117,569,348.71
  5. Step 5: Solve for x
    x = 117,569,348.71/10,183.43
  6. Step 6: Final answer
    x = 11,545.16

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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.