Home / 21,499.90-32,240.13-7,649.26

Finding the Fourth Proportional to 21,499.90, 32,240.13 and 7,649.26

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Solution

The fourth proportional to 21,499.90, 32,240.13 and 7,649.26 is: 11,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499.90 : 32,240.13 = 7,649.26 : x
  2. Step 2: Convert to fraction form
    21,499.90/32,240.13 = 7,649.26/x
  3. Step 3: Cross multiply
    21,499.90x = 32,240.13 × 7,649.26
  4. Step 4: Simplify right side
    21,499.90x = 246,613,136.80
  5. Step 5: Solve for x
    x = 246,613,136.80/21,499.90
  6. Step 6: Final answer
    x = 11,470.43

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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.