Home / 18,344.09-27,520.34-6,657.30

Finding the Fourth Proportional to 18,344.09, 27,520.34 and 6,657.30

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Solution

The fourth proportional to 18,344.09, 27,520.34 and 6,657.30 is: 9,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.09 : 27,520.34 = 6,657.30 : x
  2. Step 2: Convert to fraction form
    18,344.09/27,520.34 = 6,657.30/x
  3. Step 3: Cross multiply
    18,344.09x = 27,520.34 × 6,657.30
  4. Step 4: Simplify right side
    18,344.09x = 183,211,126.20
  5. Step 5: Solve for x
    x = 183,211,126.20/18,344.09
  6. Step 6: Final answer
    x = 9,987.48

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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.