Home / 10,541.12-14,517.12-10,311.48

Finding the Fourth Proportional to 10,541.12, 14,517.12 and 10,311.48

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Solution

The fourth proportional to 10,541.12, 14,517.12 and 10,311.48 is: 14,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.12 : 14,517.12 = 10,311.48 : x
  2. Step 2: Convert to fraction form
    10,541.12/14,517.12 = 10,311.48/x
  3. Step 3: Cross multiply
    10,541.12x = 14,517.12 × 10,311.48
  4. Step 4: Simplify right side
    10,541.12x = 149,692,992.54
  5. Step 5: Solve for x
    x = 149,692,992.54/10,541.12
  6. Step 6: Final answer
    x = 14,200.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.