Home / 12,451.68-17,183.52-6,862.72

Finding the Fourth Proportional to 12,451.68, 17,183.52 and 6,862.72

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Solution

The fourth proportional to 12,451.68, 17,183.52 and 6,862.72 is: 9,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.68 : 17,183.52 = 6,862.72 : x
  2. Step 2: Convert to fraction form
    12,451.68/17,183.52 = 6,862.72/x
  3. Step 3: Cross multiply
    12,451.68x = 17,183.52 × 6,862.72
  4. Step 4: Simplify right side
    12,451.68x = 117,925,686.37
  5. Step 5: Solve for x
    x = 117,925,686.37/12,451.68
  6. Step 6: Final answer
    x = 9,470.66

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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.