Home / 11,713.10-17,569.67-2,947.95

Finding the Fourth Proportional to 11,713.10, 17,569.67 and 2,947.95

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Solution

The fourth proportional to 11,713.10, 17,569.67 and 2,947.95 is: 4,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.10 : 17,569.67 = 2,947.95 : x
  2. Step 2: Convert to fraction form
    11,713.10/17,569.67 = 2,947.95/x
  3. Step 3: Cross multiply
    11,713.10x = 17,569.67 × 2,947.95
  4. Step 4: Simplify right side
    11,713.10x = 51,794,493.94
  5. Step 5: Solve for x
    x = 51,794,493.94/11,713.10
  6. Step 6: Final answer
    x = 4,421.93

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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.