Home / 10,135.56-15,203.88-9,581.52

Finding the Fourth Proportional to 10,135.56, 15,203.88 and 9,581.52

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Solution

The fourth proportional to 10,135.56, 15,203.88 and 9,581.52 is: 14,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.56 : 15,203.88 = 9,581.52 : x
  2. Step 2: Convert to fraction form
    10,135.56/15,203.88 = 9,581.52/x
  3. Step 3: Cross multiply
    10,135.56x = 15,203.88 × 9,581.52
  4. Step 4: Simplify right side
    10,135.56x = 145,676,280.30
  5. Step 5: Solve for x
    x = 145,676,280.30/10,135.56
  6. Step 6: Final answer
    x = 14,372.79

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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.