Home / 10,261.20-15,375.38-9,277.05

Finding the Fourth Proportional to 10,261.20, 15,375.38 and 9,277.05

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Solution

The fourth proportional to 10,261.20, 15,375.38 and 9,277.05 is: 13,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.20 : 15,375.38 = 9,277.05 : x
  2. Step 2: Convert to fraction form
    10,261.20/15,375.38 = 9,277.05/x
  3. Step 3: Cross multiply
    10,261.20x = 15,375.38 × 9,277.05
  4. Step 4: Simplify right side
    10,261.20x = 142,638,122.64
  5. Step 5: Solve for x
    x = 142,638,122.64/10,261.20
  6. Step 6: Final answer
    x = 13,900.73

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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.