Home / 11,898.31-16,419.23-6,862.74

Finding the Fourth Proportional to 11,898.31, 16,419.23 and 6,862.74

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Solution

The fourth proportional to 11,898.31, 16,419.23 and 6,862.74 is: 9,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.31 : 16,419.23 = 6,862.74 : x
  2. Step 2: Convert to fraction form
    11,898.31/16,419.23 = 6,862.74/x
  3. Step 3: Cross multiply
    11,898.31x = 16,419.23 × 6,862.74
  4. Step 4: Simplify right side
    11,898.31x = 112,680,948.00
  5. Step 5: Solve for x
    x = 112,680,948.00/11,898.31
  6. Step 6: Final answer
    x = 9,470.33

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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.