Home / 18,202.30-25,113.11-14,839.32

Finding the Fourth Proportional to 18,202.30, 25,113.11 and 14,839.32

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Solution

The fourth proportional to 18,202.30, 25,113.11 and 14,839.32 is: 20,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.30 : 25,113.11 = 14,839.32 : x
  2. Step 2: Convert to fraction form
    18,202.30/25,113.11 = 14,839.32/x
  3. Step 3: Cross multiply
    18,202.30x = 25,113.11 × 14,839.32
  4. Step 4: Simplify right side
    18,202.30x = 372,661,475.49
  5. Step 5: Solve for x
    x = 372,661,475.49/18,202.30
  6. Step 6: Final answer
    x = 20,473.32

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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.