Home / 18,849.52-28,252.14-7,750.72

Finding the Fourth Proportional to 18,849.52, 28,252.14 and 7,750.72

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Solution

The fourth proportional to 18,849.52, 28,252.14 and 7,750.72 is: 11,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.52 : 28,252.14 = 7,750.72 : x
  2. Step 2: Convert to fraction form
    18,849.52/28,252.14 = 7,750.72/x
  3. Step 3: Cross multiply
    18,849.52x = 28,252.14 × 7,750.72
  4. Step 4: Simplify right side
    18,849.52x = 218,974,426.54
  5. Step 5: Solve for x
    x = 218,974,426.54/18,849.52
  6. Step 6: Final answer
    x = 11,616.98

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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.