Home / 10,350.30-15,525.45-3,423.90

Finding the Fourth Proportional to 10,350.30, 15,525.45 and 3,423.90

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Solution

The fourth proportional to 10,350.30, 15,525.45 and 3,423.90 is: 5,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.30 : 15,525.45 = 3,423.90 : x
  2. Step 2: Convert to fraction form
    10,350.30/15,525.45 = 3,423.90/x
  3. Step 3: Cross multiply
    10,350.30x = 15,525.45 × 3,423.90
  4. Step 4: Simplify right side
    10,350.30x = 53,157,588.26
  5. Step 5: Solve for x
    x = 53,157,588.26/10,350.30
  6. Step 6: Final answer
    x = 5,135.85

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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.