Home / 12,472.29-18,704.40-4,150.07

Finding the Fourth Proportional to 12,472.29, 18,704.40 and 4,150.07

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Solution

The fourth proportional to 12,472.29, 18,704.40 and 4,150.07 is: 6,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.29 : 18,704.40 = 4,150.07 : x
  2. Step 2: Convert to fraction form
    12,472.29/18,704.40 = 4,150.07/x
  3. Step 3: Cross multiply
    12,472.29x = 18,704.40 × 4,150.07
  4. Step 4: Simplify right side
    12,472.29x = 77,624,545.93
  5. Step 5: Solve for x
    x = 77,624,545.93/12,472.29
  6. Step 6: Final answer
    x = 6,223.76

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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.