Home / 20,182.24-27,839.64-13,113.34

Finding the Fourth Proportional to 20,182.24, 27,839.64 and 13,113.34

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Solution

The fourth proportional to 20,182.24, 27,839.64 and 13,113.34 is: 18,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.24 : 27,839.64 = 13,113.34 : x
  2. Step 2: Convert to fraction form
    20,182.24/27,839.64 = 13,113.34/x
  3. Step 3: Cross multiply
    20,182.24x = 27,839.64 × 13,113.34
  4. Step 4: Simplify right side
    20,182.24x = 365,070,664.80
  5. Step 5: Solve for x
    x = 365,070,664.80/20,182.24
  6. Step 6: Final answer
    x = 18,088.71

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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.