Home / 14,239.68-21,355.48-5,909.39

Finding the Fourth Proportional to 14,239.68, 21,355.48 and 5,909.39

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Solution

The fourth proportional to 14,239.68, 21,355.48 and 5,909.39 is: 8,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.68 : 21,355.48 = 5,909.39 : x
  2. Step 2: Convert to fraction form
    14,239.68/21,355.48 = 5,909.39/x
  3. Step 3: Cross multiply
    14,239.68x = 21,355.48 × 5,909.39
  4. Step 4: Simplify right side
    14,239.68x = 126,197,859.96
  5. Step 5: Solve for x
    x = 126,197,859.96/14,239.68
  6. Step 6: Final answer
    x = 8,862.41

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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.