Home / 9,330.24-13,961.28-5,618.88

Finding the Fourth Proportional to 9,330.24, 13,961.28 and 5,618.88

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Solution

The fourth proportional to 9,330.24, 13,961.28 and 5,618.88 is: 8,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.24 : 13,961.28 = 5,618.88 : x
  2. Step 2: Convert to fraction form
    9,330.24/13,961.28 = 5,618.88/x
  3. Step 3: Cross multiply
    9,330.24x = 13,961.28 × 5,618.88
  4. Step 4: Simplify right side
    9,330.24x = 78,446,756.97
  5. Step 5: Solve for x
    x = 78,446,756.97/9,330.24
  6. Step 6: Final answer
    x = 8,407.80

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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.