Home / 18,211.18-27,320.99-5,730.88

Finding the Fourth Proportional to 18,211.18, 27,320.99 and 5,730.88

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Solution

The fourth proportional to 18,211.18, 27,320.99 and 5,730.88 is: 8,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.18 : 27,320.99 = 5,730.88 : x
  2. Step 2: Convert to fraction form
    18,211.18/27,320.99 = 5,730.88/x
  3. Step 3: Cross multiply
    18,211.18x = 27,320.99 × 5,730.88
  4. Step 4: Simplify right side
    18,211.18x = 156,573,218.21
  5. Step 5: Solve for x
    x = 156,573,218.21/18,211.18
  6. Step 6: Final answer
    x = 8,597.64

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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.