Home / 11,349.20-17,012.16-3,947.58

Finding the Fourth Proportional to 11,349.20, 17,012.16 and 3,947.58

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Solution

The fourth proportional to 11,349.20, 17,012.16 and 3,947.58 is: 5,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.20 : 17,012.16 = 3,947.58 : x
  2. Step 2: Convert to fraction form
    11,349.20/17,012.16 = 3,947.58/x
  3. Step 3: Cross multiply
    11,349.20x = 17,012.16 × 3,947.58
  4. Step 4: Simplify right side
    11,349.20x = 67,156,862.57
  5. Step 5: Solve for x
    x = 67,156,862.57/11,349.20
  6. Step 6: Final answer
    x = 5,917.32

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1.5x scale

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.