Home / 20,182.08-27,851.64-11,229.96

Finding the Fourth Proportional to 20,182.08, 27,851.64 and 11,229.96

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Solution

The fourth proportional to 20,182.08, 27,851.64 and 11,229.96 is: 15,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.08 : 27,851.64 = 11,229.96 : x
  2. Step 2: Convert to fraction form
    20,182.08/27,851.64 = 11,229.96/x
  3. Step 3: Cross multiply
    20,182.08x = 27,851.64 × 11,229.96
  4. Step 4: Simplify right side
    20,182.08x = 312,772,803.13
  5. Step 5: Solve for x
    x = 312,772,803.13/20,182.08
  6. Step 6: Final answer
    x = 15,497.55

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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.