Home / 16,486.05-24,711.65-5,389.77

Finding the Fourth Proportional to 16,486.05, 24,711.65 and 5,389.77

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Solution

The fourth proportional to 16,486.05, 24,711.65 and 5,389.77 is: 8,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.05 : 24,711.65 = 5,389.77 : x
  2. Step 2: Convert to fraction form
    16,486.05/24,711.65 = 5,389.77/x
  3. Step 3: Cross multiply
    16,486.05x = 24,711.65 × 5,389.77
  4. Step 4: Simplify right side
    16,486.05x = 133,190,082.87
  5. Step 5: Solve for x
    x = 133,190,082.87/16,486.05
  6. Step 6: Final answer
    x = 8,078.96

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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.