Home / 18,209.63-27,257.85-9,868.95

Finding the Fourth Proportional to 18,209.63, 27,257.85 and 9,868.95

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Solution

The fourth proportional to 18,209.63, 27,257.85 and 9,868.95 is: 14,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.63 : 27,257.85 = 9,868.95 : x
  2. Step 2: Convert to fraction form
    18,209.63/27,257.85 = 9,868.95/x
  3. Step 3: Cross multiply
    18,209.63x = 27,257.85 × 9,868.95
  4. Step 4: Simplify right side
    18,209.63x = 269,006,358.76
  5. Step 5: Solve for x
    x = 269,006,358.76/18,209.63
  6. Step 6: Final answer
    x = 14,772.76

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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.