Home / 14,881.92-20,537.31-8,168.18

Finding the Fourth Proportional to 14,881.92, 20,537.31 and 8,168.18

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Solution

The fourth proportional to 14,881.92, 20,537.31 and 8,168.18 is: 11,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.92 : 20,537.31 = 8,168.18 : x
  2. Step 2: Convert to fraction form
    14,881.92/20,537.31 = 8,168.18/x
  3. Step 3: Cross multiply
    14,881.92x = 20,537.31 × 8,168.18
  4. Step 4: Simplify right side
    14,881.92x = 167,752,342.11
  5. Step 5: Solve for x
    x = 167,752,342.11/14,881.92
  6. Step 6: Final answer
    x = 11,272.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.