Home / 9,330.50-13,995.75-6,399.92

Finding the Fourth Proportional to 9,330.50, 13,995.75 and 6,399.92

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Solution

The fourth proportional to 9,330.50, 13,995.75 and 6,399.92 is: 9,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.50 : 13,995.75 = 6,399.92 : x
  2. Step 2: Convert to fraction form
    9,330.50/13,995.75 = 6,399.92/x
  3. Step 3: Cross multiply
    9,330.50x = 13,995.75 × 6,399.92
  4. Step 4: Simplify right side
    9,330.50x = 89,571,610.36
  5. Step 5: Solve for x
    x = 89,571,610.36/9,330.50
  6. Step 6: Final answer
    x = 9,599.88

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Half scale
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Similar ratio
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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.