Home / 20,068.36-27,691.38-11,569.82

Finding the Fourth Proportional to 20,068.36, 27,691.38 and 11,569.82

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Solution

The fourth proportional to 20,068.36, 27,691.38 and 11,569.82 is: 15,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.36 : 27,691.38 = 11,569.82 : x
  2. Step 2: Convert to fraction form
    20,068.36/27,691.38 = 11,569.82/x
  3. Step 3: Cross multiply
    20,068.36x = 27,691.38 × 11,569.82
  4. Step 4: Simplify right side
    20,068.36x = 320,384,143.69
  5. Step 5: Solve for x
    x = 320,384,143.69/20,068.36
  6. Step 6: Final answer
    x = 15,964.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.