Home / 11,520.20-17,275.98-4,943

Finding the Fourth Proportional to 11,520.20, 17,275.98 and 4,943

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Solution

The fourth proportional to 11,520.20, 17,275.98 and 4,943 is: 7,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.20 : 17,275.98 = 4,943 : x
  2. Step 2: Convert to fraction form
    11,520.20/17,275.98 = 4,943/x
  3. Step 3: Cross multiply
    11,520.20x = 17,275.98 × 4,943
  4. Step 4: Simplify right side
    11,520.20x = 85,395,169.14
  5. Step 5: Solve for x
    x = 85,395,169.14/11,520.20
  6. Step 6: Final answer
    x = 7,412.65

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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.