Home / 18,008.04-27,014.72-6,319.20

Finding the Fourth Proportional to 18,008.04, 27,014.72 and 6,319.20

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Solution

The fourth proportional to 18,008.04, 27,014.72 and 6,319.20 is: 9,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.04 : 27,014.72 = 6,319.20 : x
  2. Step 2: Convert to fraction form
    18,008.04/27,014.72 = 6,319.20/x
  3. Step 3: Cross multiply
    18,008.04x = 27,014.72 × 6,319.20
  4. Step 4: Simplify right side
    18,008.04x = 170,711,418.62
  5. Step 5: Solve for x
    x = 170,711,418.62/18,008.04
  6. Step 6: Final answer
    x = 9,479.73

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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.