Home / 13,393.36-20,091.66-6,463

Finding the Fourth Proportional to 13,393.36, 20,091.66 and 6,463

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Solution

The fourth proportional to 13,393.36, 20,091.66 and 6,463 is: 9,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.36 : 20,091.66 = 6,463 : x
  2. Step 2: Convert to fraction form
    13,393.36/20,091.66 = 6,463/x
  3. Step 3: Cross multiply
    13,393.36x = 20,091.66 × 6,463
  4. Step 4: Simplify right side
    13,393.36x = 129,852,398.58
  5. Step 5: Solve for x
    x = 129,852,398.58/13,393.36
  6. Step 6: Final answer
    x = 9,695.28

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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.