Home / 18,213.65-27,299.96-9,304.05

Finding the Fourth Proportional to 18,213.65, 27,299.96 and 9,304.05

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Solution

The fourth proportional to 18,213.65, 27,299.96 and 9,304.05 is: 13,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.65 : 27,299.96 = 9,304.05 : x
  2. Step 2: Convert to fraction form
    18,213.65/27,299.96 = 9,304.05/x
  3. Step 3: Cross multiply
    18,213.65x = 27,299.96 × 9,304.05
  4. Step 4: Simplify right side
    18,213.65x = 254,000,146.32
  5. Step 5: Solve for x
    x = 254,000,146.32/18,213.65
  6. Step 6: Final answer
    x = 13,945.60

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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.