Home / 11,898.73-16,422.27-6,862.04

Finding the Fourth Proportional to 11,898.73, 16,422.27 and 6,862.04

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Solution

The fourth proportional to 11,898.73, 16,422.27 and 6,862.04 is: 9,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.73 : 16,422.27 = 6,862.04 : x
  2. Step 2: Convert to fraction form
    11,898.73/16,422.27 = 6,862.04/x
  3. Step 3: Cross multiply
    11,898.73x = 16,422.27 × 6,862.04
  4. Step 4: Simplify right side
    11,898.73x = 112,690,314.69
  5. Step 5: Solve for x
    x = 112,690,314.69/11,898.73
  6. Step 6: Final answer
    x = 9,470.79

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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.