Home / 9,829.92-13,565.11-5,353.59

Finding the Fourth Proportional to 9,829.92, 13,565.11 and 5,353.59

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Solution

The fourth proportional to 9,829.92, 13,565.11 and 5,353.59 is: 7,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.92 : 13,565.11 = 5,353.59 : x
  2. Step 2: Convert to fraction form
    9,829.92/13,565.11 = 5,353.59/x
  3. Step 3: Cross multiply
    9,829.92x = 13,565.11 × 5,353.59
  4. Step 4: Simplify right side
    9,829.92x = 72,622,037.24
  5. Step 5: Solve for x
    x = 72,622,037.24/9,829.92
  6. Step 6: Final answer
    x = 7,387.86

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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.