Home / 18,412.11-27,630.92-7,317.74

Finding the Fourth Proportional to 18,412.11, 27,630.92 and 7,317.74

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Solution

The fourth proportional to 18,412.11, 27,630.92 and 7,317.74 is: 10,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.11 : 27,630.92 = 7,317.74 : x
  2. Step 2: Convert to fraction form
    18,412.11/27,630.92 = 7,317.74/x
  3. Step 3: Cross multiply
    18,412.11x = 27,630.92 × 7,317.74
  4. Step 4: Simplify right side
    18,412.11x = 202,195,975.89
  5. Step 5: Solve for x
    x = 202,195,975.89/18,412.11
  6. Step 6: Final answer
    x = 10,981.68

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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.