Home / 18,104.16-27,119.28-9,320.62

Finding the Fourth Proportional to 18,104.16, 27,119.28 and 9,320.62

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Solution

The fourth proportional to 18,104.16, 27,119.28 and 9,320.62 is: 13,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.16 : 27,119.28 = 9,320.62 : x
  2. Step 2: Convert to fraction form
    18,104.16/27,119.28 = 9,320.62/x
  3. Step 3: Cross multiply
    18,104.16x = 27,119.28 × 9,320.62
  4. Step 4: Simplify right side
    18,104.16x = 252,768,503.55
  5. Step 5: Solve for x
    x = 252,768,503.55/18,104.16
  6. Step 6: Final answer
    x = 13,961.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.