Home / 10,350.10-15,519.48-8,152.30

Finding the Fourth Proportional to 10,350.10, 15,519.48 and 8,152.30

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Solution

The fourth proportional to 10,350.10, 15,519.48 and 8,152.30 is: 12,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.10 : 15,519.48 = 8,152.30 : x
  2. Step 2: Convert to fraction form
    10,350.10/15,519.48 = 8,152.30/x
  3. Step 3: Cross multiply
    10,350.10x = 15,519.48 × 8,152.30
  4. Step 4: Simplify right side
    10,350.10x = 126,519,456.80
  5. Step 5: Solve for x
    x = 126,519,456.80/10,350.10
  6. Step 6: Final answer
    x = 12,223.98

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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.