Home / 18,003.60-27,002.25-4,852.89

Finding the Fourth Proportional to 18,003.60, 27,002.25 and 4,852.89

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Solution

The fourth proportional to 18,003.60, 27,002.25 and 4,852.89 is: 7,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.60 : 27,002.25 = 4,852.89 : x
  2. Step 2: Convert to fraction form
    18,003.60/27,002.25 = 4,852.89/x
  3. Step 3: Cross multiply
    18,003.60x = 27,002.25 × 4,852.89
  4. Step 4: Simplify right side
    18,003.60x = 131,038,949.00
  5. Step 5: Solve for x
    x = 131,038,949.00/18,003.60
  6. Step 6: Final answer
    x = 7,278.49

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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.