Home / 10,923.15-16,385.76-4,347.87

Finding the Fourth Proportional to 10,923.15, 16,385.76 and 4,347.87

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Solution

The fourth proportional to 10,923.15, 16,385.76 and 4,347.87 is: 6,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.15 : 16,385.76 = 4,347.87 : x
  2. Step 2: Convert to fraction form
    10,923.15/16,385.76 = 4,347.87/x
  3. Step 3: Cross multiply
    10,923.15x = 16,385.76 × 4,347.87
  4. Step 4: Simplify right side
    10,923.15x = 71,243,154.33
  5. Step 5: Solve for x
    x = 71,243,154.33/10,923.15
  6. Step 6: Final answer
    x = 6,522.22

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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.