Home / 10,869.76-16,283.90-5,859.71

Finding the Fourth Proportional to 10,869.76, 16,283.90 and 5,859.71

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Solution

The fourth proportional to 10,869.76, 16,283.90 and 5,859.71 is: 8,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.76 : 16,283.90 = 5,859.71 : x
  2. Step 2: Convert to fraction form
    10,869.76/16,283.90 = 5,859.71/x
  3. Step 3: Cross multiply
    10,869.76x = 16,283.90 × 5,859.71
  4. Step 4: Simplify right side
    10,869.76x = 95,418,925.96
  5. Step 5: Solve for x
    x = 95,418,925.96/10,869.76
  6. Step 6: Final answer
    x = 8,778.38

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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.