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Finding the Fourth Proportional to 15,006.80, 22,510.20 and 8,008.40

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Solution

The fourth proportional to 15,006.80, 22,510.20 and 8,008.40 is: 12,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.80 : 22,510.20 = 8,008.40 : x
  2. Step 2: Convert to fraction form
    15,006.80/22,510.20 = 8,008.40/x
  3. Step 3: Cross multiply
    15,006.80x = 22,510.20 × 8,008.40
  4. Step 4: Simplify right side
    15,006.80x = 180,270,685.68
  5. Step 5: Solve for x
    x = 180,270,685.68/15,006.80
  6. Step 6: Final answer
    x = 12,012.60

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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.