Home / 12,451.19-17,182.80-6,862.19

Finding the Fourth Proportional to 12,451.19, 17,182.80 and 6,862.19

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Solution

The fourth proportional to 12,451.19, 17,182.80 and 6,862.19 is: 9,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.19 : 17,182.80 = 6,862.19 : x
  2. Step 2: Convert to fraction form
    12,451.19/17,182.80 = 6,862.19/x
  3. Step 3: Cross multiply
    12,451.19x = 17,182.80 × 6,862.19
  4. Step 4: Simplify right side
    12,451.19x = 117,911,552.42
  5. Step 5: Solve for x
    x = 117,911,552.42/12,451.19
  6. Step 6: Final answer
    x = 9,469.91

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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.