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Finding the Fourth Proportional to 10,462.77, 15,662.97 and 9,393.71

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Solution

The fourth proportional to 10,462.77, 15,662.97 and 9,393.71 is: 14,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.77 : 15,662.97 = 9,393.71 : x
  2. Step 2: Convert to fraction form
    10,462.77/15,662.97 = 9,393.71/x
  3. Step 3: Cross multiply
    10,462.77x = 15,662.97 × 9,393.71
  4. Step 4: Simplify right side
    10,462.77x = 147,133,319.60
  5. Step 5: Solve for x
    x = 147,133,319.60/10,462.77
  6. Step 6: Final answer
    x = 14,062.56

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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.