Home / 11,267.71-16,900.17-2,947.66

Finding the Fourth Proportional to 11,267.71, 16,900.17 and 2,947.66

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Solution

The fourth proportional to 11,267.71, 16,900.17 and 2,947.66 is: 4,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.71 : 16,900.17 = 2,947.66 : x
  2. Step 2: Convert to fraction form
    11,267.71/16,900.17 = 2,947.66/x
  3. Step 3: Cross multiply
    11,267.71x = 16,900.17 × 2,947.66
  4. Step 4: Simplify right side
    11,267.71x = 49,815,955.10
  5. Step 5: Solve for x
    x = 49,815,955.10/11,267.71
  6. Step 6: Final answer
    x = 4,421.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.