Home / 18,836.77-28,264.33-7,746.79

Finding the Fourth Proportional to 18,836.77, 28,264.33 and 7,746.79

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Solution

The fourth proportional to 18,836.77, 28,264.33 and 7,746.79 is: 11,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.77 : 28,264.33 = 7,746.79 : x
  2. Step 2: Convert to fraction form
    18,836.77/28,264.33 = 7,746.79/x
  3. Step 3: Cross multiply
    18,836.77x = 28,264.33 × 7,746.79
  4. Step 4: Simplify right side
    18,836.77x = 218,957,687.68
  5. Step 5: Solve for x
    x = 218,957,687.68/18,836.77
  6. Step 6: Final answer
    x = 11,623.95

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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.