Home / 10,070.20-15,105.30-4,225.24

Finding the Fourth Proportional to 10,070.20, 15,105.30 and 4,225.24

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Solution

The fourth proportional to 10,070.20, 15,105.30 and 4,225.24 is: 6,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.20 : 15,105.30 = 4,225.24 : x
  2. Step 2: Convert to fraction form
    10,070.20/15,105.30 = 4,225.24/x
  3. Step 3: Cross multiply
    10,070.20x = 15,105.30 × 4,225.24
  4. Step 4: Simplify right side
    10,070.20x = 63,823,517.77
  5. Step 5: Solve for x
    x = 63,823,517.77/10,070.20
  6. Step 6: Final answer
    x = 6,337.86

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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.