Home / 12,252.83-18,240.67-12,179.93

Finding the Fourth Proportional to 12,252.83, 18,240.67 and 12,179.93

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Solution

The fourth proportional to 12,252.83, 18,240.67 and 12,179.93 is: 18,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.83 : 18,240.67 = 12,179.93 : x
  2. Step 2: Convert to fraction form
    12,252.83/18,240.67 = 12,179.93/x
  3. Step 3: Cross multiply
    12,252.83x = 18,240.67 × 12,179.93
  4. Step 4: Simplify right side
    12,252.83x = 222,170,007.77
  5. Step 5: Solve for x
    x = 222,170,007.77/12,252.83
  6. Step 6: Final answer
    x = 18,132.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.