Home / 19,377.90-29,039.13-11,040.71

Finding the Fourth Proportional to 19,377.90, 29,039.13 and 11,040.71

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Solution

The fourth proportional to 19,377.90, 29,039.13 and 11,040.71 is: 16,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.90 : 29,039.13 = 11,040.71 : x
  2. Step 2: Convert to fraction form
    19,377.90/29,039.13 = 11,040.71/x
  3. Step 3: Cross multiply
    19,377.90x = 29,039.13 × 11,040.71
  4. Step 4: Simplify right side
    19,377.90x = 320,612,467.79
  5. Step 5: Solve for x
    x = 320,612,467.79/19,377.90
  6. Step 6: Final answer
    x = 16,545.26

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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.