Home / 16,812.77-25,221.92-5,123.25

Finding the Fourth Proportional to 16,812.77, 25,221.92 and 5,123.25

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Solution

The fourth proportional to 16,812.77, 25,221.92 and 5,123.25 is: 7,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.77 : 25,221.92 = 5,123.25 : x
  2. Step 2: Convert to fraction form
    16,812.77/25,221.92 = 5,123.25/x
  3. Step 3: Cross multiply
    16,812.77x = 25,221.92 × 5,123.25
  4. Step 4: Simplify right side
    16,812.77x = 129,218,176.02
  5. Step 5: Solve for x
    x = 129,218,176.02/16,812.77
  6. Step 6: Final answer
    x = 7,685.72

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1.5x scale

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.