Home / 14,348.80-21,517.76-8,102.08

Finding the Fourth Proportional to 14,348.80, 21,517.76 and 8,102.08

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Solution

The fourth proportional to 14,348.80, 21,517.76 and 8,102.08 is: 12,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.80 : 21,517.76 = 8,102.08 : x
  2. Step 2: Convert to fraction form
    14,348.80/21,517.76 = 8,102.08/x
  3. Step 3: Cross multiply
    14,348.80x = 21,517.76 × 8,102.08
  4. Step 4: Simplify right side
    14,348.80x = 174,338,612.94
  5. Step 5: Solve for x
    x = 174,338,612.94/14,348.80
  6. Step 6: Final answer
    x = 12,150.05

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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.