Home / 9,901.92-13,675.16-6,729.36

Finding the Fourth Proportional to 9,901.92, 13,675.16 and 6,729.36

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Solution

The fourth proportional to 9,901.92, 13,675.16 and 6,729.36 is: 9,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.92 : 13,675.16 = 6,729.36 : x
  2. Step 2: Convert to fraction form
    9,901.92/13,675.16 = 6,729.36/x
  3. Step 3: Cross multiply
    9,901.92x = 13,675.16 × 6,729.36
  4. Step 4: Simplify right side
    9,901.92x = 92,025,074.70
  5. Step 5: Solve for x
    x = 92,025,074.70/9,901.92
  6. Step 6: Final answer
    x = 9,293.66

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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.