Home / 12,177.32-18,244.44-8,462.16

Finding the Fourth Proportional to 12,177.32, 18,244.44 and 8,462.16

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Solution

The fourth proportional to 12,177.32, 18,244.44 and 8,462.16 is: 12,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.32 : 18,244.44 = 8,462.16 : x
  2. Step 2: Convert to fraction form
    12,177.32/18,244.44 = 8,462.16/x
  3. Step 3: Cross multiply
    12,177.32x = 18,244.44 × 8,462.16
  4. Step 4: Simplify right side
    12,177.32x = 154,387,370.39
  5. Step 5: Solve for x
    x = 154,387,370.39/12,177.32
  6. Step 6: Final answer
    x = 12,678.28

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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.