Home / 14,180.85-21,264.15-8,259.69

Finding the Fourth Proportional to 14,180.85, 21,264.15 and 8,259.69

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Solution

The fourth proportional to 14,180.85, 21,264.15 and 8,259.69 is: 12,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.85 : 21,264.15 = 8,259.69 : x
  2. Step 2: Convert to fraction form
    14,180.85/21,264.15 = 8,259.69/x
  3. Step 3: Cross multiply
    14,180.85x = 21,264.15 × 8,259.69
  4. Step 4: Simplify right side
    14,180.85x = 175,635,287.11
  5. Step 5: Solve for x
    x = 175,635,287.11/14,180.85
  6. Step 6: Final answer
    x = 12,385.39

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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.