Home / 18,012.04-27,001.60-6,318.88

Finding the Fourth Proportional to 18,012.04, 27,001.60 and 6,318.88

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Solution

The fourth proportional to 18,012.04, 27,001.60 and 6,318.88 is: 9,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.04 : 27,001.60 = 6,318.88 : x
  2. Step 2: Convert to fraction form
    18,012.04/27,001.60 = 6,318.88/x
  3. Step 3: Cross multiply
    18,012.04x = 27,001.60 × 6,318.88
  4. Step 4: Simplify right side
    18,012.04x = 170,619,870.21
  5. Step 5: Solve for x
    x = 170,619,870.21/18,012.04
  6. Step 6: Final answer
    x = 9,472.55

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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.