Home / 15,347.70-23,016.15-5,487.30

Finding the Fourth Proportional to 15,347.70, 23,016.15 and 5,487.30

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Solution

The fourth proportional to 15,347.70, 23,016.15 and 5,487.30 is: 8,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.70 : 23,016.15 = 5,487.30 : x
  2. Step 2: Convert to fraction form
    15,347.70/23,016.15 = 5,487.30/x
  3. Step 3: Cross multiply
    15,347.70x = 23,016.15 × 5,487.30
  4. Step 4: Simplify right side
    15,347.70x = 126,296,519.90
  5. Step 5: Solve for x
    x = 126,296,519.90/15,347.70
  6. Step 6: Final answer
    x = 8,229.02

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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.