Home / 18,257.13-27,385.70-4,406.13

Finding the Fourth Proportional to 18,257.13, 27,385.70 and 4,406.13

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Solution

The fourth proportional to 18,257.13, 27,385.70 and 4,406.13 is: 6,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.13 : 27,385.70 = 4,406.13 : x
  2. Step 2: Convert to fraction form
    18,257.13/27,385.70 = 4,406.13/x
  3. Step 3: Cross multiply
    18,257.13x = 27,385.70 × 4,406.13
  4. Step 4: Simplify right side
    18,257.13x = 120,664,954.34
  5. Step 5: Solve for x
    x = 120,664,954.34/18,257.13
  6. Step 6: Final answer
    x = 6,609.20

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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.