Home / 16,930.79-25,387.63-9,912.92

Finding the Fourth Proportional to 16,930.79, 25,387.63 and 9,912.92

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Solution

The fourth proportional to 16,930.79, 25,387.63 and 9,912.92 is: 14,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.79 : 25,387.63 = 9,912.92 : x
  2. Step 2: Convert to fraction form
    16,930.79/25,387.63 = 9,912.92/x
  3. Step 3: Cross multiply
    16,930.79x = 25,387.63 × 9,912.92
  4. Step 4: Simplify right side
    16,930.79x = 251,665,545.18
  5. Step 5: Solve for x
    x = 251,665,545.18/16,930.79
  6. Step 6: Final answer
    x = 14,864.37

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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.