Home / 18,223.60-27,327.30-7,126.60

Finding the Fourth Proportional to 18,223.60, 27,327.30 and 7,126.60

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Solution

The fourth proportional to 18,223.60, 27,327.30 and 7,126.60 is: 10,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.60 : 27,327.30 = 7,126.60 : x
  2. Step 2: Convert to fraction form
    18,223.60/27,327.30 = 7,126.60/x
  3. Step 3: Cross multiply
    18,223.60x = 27,327.30 × 7,126.60
  4. Step 4: Simplify right side
    18,223.60x = 194,750,736.18
  5. Step 5: Solve for x
    x = 194,750,736.18/18,223.60
  6. Step 6: Final answer
    x = 10,686.73

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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.