Home / 18,001.59-27,002.55-5,521.67

Finding the Fourth Proportional to 18,001.59, 27,002.55 and 5,521.67

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Solution

The fourth proportional to 18,001.59, 27,002.55 and 5,521.67 is: 8,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.59 : 27,002.55 = 5,521.67 : x
  2. Step 2: Convert to fraction form
    18,001.59/27,002.55 = 5,521.67/x
  3. Step 3: Cross multiply
    18,001.59x = 27,002.55 × 5,521.67
  4. Step 4: Simplify right side
    18,001.59x = 149,099,142.65
  5. Step 5: Solve for x
    x = 149,099,142.65/18,001.59
  6. Step 6: Final answer
    x = 8,282.55

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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.