Home / 15,317.68-22,959.29-7,800.15

Finding the Fourth Proportional to 15,317.68, 22,959.29 and 7,800.15

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Solution

The fourth proportional to 15,317.68, 22,959.29 and 7,800.15 is: 11,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.68 : 22,959.29 = 7,800.15 : x
  2. Step 2: Convert to fraction form
    15,317.68/22,959.29 = 7,800.15/x
  3. Step 3: Cross multiply
    15,317.68x = 22,959.29 × 7,800.15
  4. Step 4: Simplify right side
    15,317.68x = 179,085,791.10
  5. Step 5: Solve for x
    x = 179,085,791.10/15,317.68
  6. Step 6: Final answer
    x = 11,691.44

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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.