Home / 10,253.20-15,358.20-8,525.20

Finding the Fourth Proportional to 10,253.20, 15,358.20 and 8,525.20

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Solution

The fourth proportional to 10,253.20, 15,358.20 and 8,525.20 is: 12,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.20 : 15,358.20 = 8,525.20 : x
  2. Step 2: Convert to fraction form
    10,253.20/15,358.20 = 8,525.20/x
  3. Step 3: Cross multiply
    10,253.20x = 15,358.20 × 8,525.20
  4. Step 4: Simplify right side
    10,253.20x = 130,931,726.64
  5. Step 5: Solve for x
    x = 130,931,726.64/10,253.20
  6. Step 6: Final answer
    x = 12,769.84

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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.