Home / 10,747-16,124.55-4,177.81

Finding the Fourth Proportional to 10,747, 16,124.55 and 4,177.81

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Solution

The fourth proportional to 10,747, 16,124.55 and 4,177.81 is: 6,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747 : 16,124.55 = 4,177.81 : x
  2. Step 2: Convert to fraction form
    10,747/16,124.55 = 4,177.81/x
  3. Step 3: Cross multiply
    10,747x = 16,124.55 × 4,177.81
  4. Step 4: Simplify right side
    10,747x = 67,365,306.24
  5. Step 5: Solve for x
    x = 67,365,306.24/10,747
  6. Step 6: Final answer
    x = 6,268.29

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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.