Home / 18,129.46-27,202.35-9,799.72

Finding the Fourth Proportional to 18,129.46, 27,202.35 and 9,799.72

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Solution

The fourth proportional to 18,129.46, 27,202.35 and 9,799.72 is: 14,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.46 : 27,202.35 = 9,799.72 : x
  2. Step 2: Convert to fraction form
    18,129.46/27,202.35 = 9,799.72/x
  3. Step 3: Cross multiply
    18,129.46x = 27,202.35 × 9,799.72
  4. Step 4: Simplify right side
    18,129.46x = 266,575,548.46
  5. Step 5: Solve for x
    x = 266,575,548.46/18,129.46
  6. Step 6: Final answer
    x = 14,704.00

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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.