Home / 13,287.32-19,921.22-6,366.68

Finding the Fourth Proportional to 13,287.32, 19,921.22 and 6,366.68

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Solution

The fourth proportional to 13,287.32, 19,921.22 and 6,366.68 is: 9,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.32 : 19,921.22 = 6,366.68 : x
  2. Step 2: Convert to fraction form
    13,287.32/19,921.22 = 6,366.68/x
  3. Step 3: Cross multiply
    13,287.32x = 19,921.22 × 6,366.68
  4. Step 4: Simplify right side
    13,287.32x = 126,832,032.95
  5. Step 5: Solve for x
    x = 126,832,032.95/13,287.32
  6. Step 6: Final answer
    x = 9,545.34

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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.