Home / 9,908.28-14,865.12-5,528.88

Finding the Fourth Proportional to 9,908.28, 14,865.12 and 5,528.88

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Solution

The fourth proportional to 9,908.28, 14,865.12 and 5,528.88 is: 8,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.28 : 14,865.12 = 5,528.88 : x
  2. Step 2: Convert to fraction form
    9,908.28/14,865.12 = 5,528.88/x
  3. Step 3: Cross multiply
    9,908.28x = 14,865.12 × 5,528.88
  4. Step 4: Simplify right side
    9,908.28x = 82,187,464.67
  5. Step 5: Solve for x
    x = 82,187,464.67/9,908.28
  6. Step 6: Final answer
    x = 8,294.83

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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.