Home / 18,346.12-27,515.92-8,348.55

Finding the Fourth Proportional to 18,346.12, 27,515.92 and 8,348.55

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Solution

The fourth proportional to 18,346.12, 27,515.92 and 8,348.55 is: 12,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.12 : 27,515.92 = 8,348.55 : x
  2. Step 2: Convert to fraction form
    18,346.12/27,515.92 = 8,348.55/x
  3. Step 3: Cross multiply
    18,346.12x = 27,515.92 × 8,348.55
  4. Step 4: Simplify right side
    18,346.12x = 229,717,965.13
  5. Step 5: Solve for x
    x = 229,717,965.13/18,346.12
  6. Step 6: Final answer
    x = 12,521.34

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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.