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Finding the Fourth Proportional to 9,753.11, 13,459.94 and 7,358.85

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Solution

The fourth proportional to 9,753.11, 13,459.94 and 7,358.85 is: 10,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.11 : 13,459.94 = 7,358.85 : x
  2. Step 2: Convert to fraction form
    9,753.11/13,459.94 = 7,358.85/x
  3. Step 3: Cross multiply
    9,753.11x = 13,459.94 × 7,358.85
  4. Step 4: Simplify right side
    9,753.11x = 99,049,670.27
  5. Step 5: Solve for x
    x = 99,049,670.27/9,753.11
  6. Step 6: Final answer
    x = 10,155.70

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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.