Home / 20,256.29-27,949.18-11,753.47

Finding the Fourth Proportional to 20,256.29, 27,949.18 and 11,753.47

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Solution

The fourth proportional to 20,256.29, 27,949.18 and 11,753.47 is: 16,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.29 : 27,949.18 = 11,753.47 : x
  2. Step 2: Convert to fraction form
    20,256.29/27,949.18 = 11,753.47/x
  3. Step 3: Cross multiply
    20,256.29x = 27,949.18 × 11,753.47
  4. Step 4: Simplify right side
    20,256.29x = 328,499,848.65
  5. Step 5: Solve for x
    x = 328,499,848.65/20,256.29
  6. Step 6: Final answer
    x = 16,217.18

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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.