Home / 9,908.28-13,663.62-9,087.75

Finding the Fourth Proportional to 9,908.28, 13,663.62 and 9,087.75

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Solution

The fourth proportional to 9,908.28, 13,663.62 and 9,087.75 is: 12,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.28 : 13,663.62 = 9,087.75 : x
  2. Step 2: Convert to fraction form
    9,908.28/13,663.62 = 9,087.75/x
  3. Step 3: Cross multiply
    9,908.28x = 13,663.62 × 9,087.75
  4. Step 4: Simplify right side
    9,908.28x = 124,171,562.66
  5. Step 5: Solve for x
    x = 124,171,562.66/9,908.28
  6. Step 6: Final answer
    x = 12,532.10

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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.