Home / 18,200.85-25,116.11-10,242.75

Finding the Fourth Proportional to 18,200.85, 25,116.11 and 10,242.75

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Solution

The fourth proportional to 18,200.85, 25,116.11 and 10,242.75 is: 14,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.85 : 25,116.11 = 10,242.75 : x
  2. Step 2: Convert to fraction form
    18,200.85/25,116.11 = 10,242.75/x
  3. Step 3: Cross multiply
    18,200.85x = 25,116.11 × 10,242.75
  4. Step 4: Simplify right side
    18,200.85x = 257,257,984.49
  5. Step 5: Solve for x
    x = 257,257,984.49/18,200.85
  6. Step 6: Final answer
    x = 14,134.39

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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.