Home / 15,007.44-20,688.30-10,517.62

Finding the Fourth Proportional to 15,007.44, 20,688.30 and 10,517.62

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Solution

The fourth proportional to 15,007.44, 20,688.30 and 10,517.62 is: 14,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.44 : 20,688.30 = 10,517.62 : x
  2. Step 2: Convert to fraction form
    15,007.44/20,688.30 = 10,517.62/x
  3. Step 3: Cross multiply
    15,007.44x = 20,688.30 × 10,517.62
  4. Step 4: Simplify right side
    15,007.44x = 217,591,677.85
  5. Step 5: Solve for x
    x = 217,591,677.85/15,007.44
  6. Step 6: Final answer
    x = 14,498.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.