Home / 12,484.97-17,229.28-7,107.22

Finding the Fourth Proportional to 12,484.97, 17,229.28 and 7,107.22

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Solution

The fourth proportional to 12,484.97, 17,229.28 and 7,107.22 is: 9,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.97 : 17,229.28 = 7,107.22 : x
  2. Step 2: Convert to fraction form
    12,484.97/17,229.28 = 7,107.22/x
  3. Step 3: Cross multiply
    12,484.97x = 17,229.28 × 7,107.22
  4. Step 4: Simplify right side
    12,484.97x = 122,452,283.40
  5. Step 5: Solve for x
    x = 122,452,283.40/12,484.97
  6. Step 6: Final answer
    x = 9,807.98

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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.