Home / 10,261.46-15,372.08-9,145.70

Finding the Fourth Proportional to 10,261.46, 15,372.08 and 9,145.70

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Solution

The fourth proportional to 10,261.46, 15,372.08 and 9,145.70 is: 13,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.46 : 15,372.08 = 9,145.70 : x
  2. Step 2: Convert to fraction form
    10,261.46/15,372.08 = 9,145.70/x
  3. Step 3: Cross multiply
    10,261.46x = 15,372.08 × 9,145.70
  4. Step 4: Simplify right side
    10,261.46x = 140,588,309.47
  5. Step 5: Solve for x
    x = 140,588,309.47/10,261.46
  6. Step 6: Final answer
    x = 13,700.62

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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.