Home / 12,248.12-18,373.26-3,928.52

Finding the Fourth Proportional to 12,248.12, 18,373.26 and 3,928.52

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Solution

The fourth proportional to 12,248.12, 18,373.26 and 3,928.52 is: 5,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.12 : 18,373.26 = 3,928.52 : x
  2. Step 2: Convert to fraction form
    12,248.12/18,373.26 = 3,928.52/x
  3. Step 3: Cross multiply
    12,248.12x = 18,373.26 × 3,928.52
  4. Step 4: Simplify right side
    12,248.12x = 72,179,719.38
  5. Step 5: Solve for x
    x = 72,179,719.38/12,248.12
  6. Step 6: Final answer
    x = 5,893.13

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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.