Home / 18,789.77-25,930.17-10,291.73

Finding the Fourth Proportional to 18,789.77, 25,930.17 and 10,291.73

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Solution

The fourth proportional to 18,789.77, 25,930.17 and 10,291.73 is: 14,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.77 : 25,930.17 = 10,291.73 : x
  2. Step 2: Convert to fraction form
    18,789.77/25,930.17 = 10,291.73/x
  3. Step 3: Cross multiply
    18,789.77x = 25,930.17 × 10,291.73
  4. Step 4: Simplify right side
    18,789.77x = 266,866,178.84
  5. Step 5: Solve for x
    x = 266,866,178.84/18,789.77
  6. Step 6: Final answer
    x = 14,202.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.