Home / 23,040.40-34,545.72-12,649.36

Finding the Fourth Proportional to 23,040.40, 34,545.72 and 12,649.36

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Solution

The fourth proportional to 23,040.40, 34,545.72 and 12,649.36 is: 18,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.40 : 34,545.72 = 12,649.36 : x
  2. Step 2: Convert to fraction form
    23,040.40/34,545.72 = 12,649.36/x
  3. Step 3: Cross multiply
    23,040.40x = 34,545.72 × 12,649.36
  4. Step 4: Simplify right side
    23,040.40x = 436,981,248.74
  5. Step 5: Solve for x
    x = 436,981,248.74/23,040.40
  6. Step 6: Final answer
    x = 18,965.87

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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.