Home / 12,125.18-18,185.69-3,358.04

Finding the Fourth Proportional to 12,125.18, 18,185.69 and 3,358.04

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Solution

The fourth proportional to 12,125.18, 18,185.69 and 3,358.04 is: 5,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.18 : 18,185.69 = 3,358.04 : x
  2. Step 2: Convert to fraction form
    12,125.18/18,185.69 = 3,358.04/x
  3. Step 3: Cross multiply
    12,125.18x = 18,185.69 × 3,358.04
  4. Step 4: Simplify right side
    12,125.18x = 61,068,166.73
  5. Step 5: Solve for x
    x = 61,068,166.73/12,125.18
  6. Step 6: Final answer
    x = 5,036.48

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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.