Home / 13,344.20-20,006.70-7,502.60

Finding the Fourth Proportional to 13,344.20, 20,006.70 and 7,502.60

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Solution

The fourth proportional to 13,344.20, 20,006.70 and 7,502.60 is: 11,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.20 : 20,006.70 = 7,502.60 : x
  2. Step 2: Convert to fraction form
    13,344.20/20,006.70 = 7,502.60/x
  3. Step 3: Cross multiply
    13,344.20x = 20,006.70 × 7,502.60
  4. Step 4: Simplify right side
    13,344.20x = 150,102,267.42
  5. Step 5: Solve for x
    x = 150,102,267.42/13,344.20
  6. Step 6: Final answer
    x = 11,248.50

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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.