Home / 18,288.99-25,240.86-10,331.73

Finding the Fourth Proportional to 18,288.99, 25,240.86 and 10,331.73

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Solution

The fourth proportional to 18,288.99, 25,240.86 and 10,331.73 is: 14,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.99 : 25,240.86 = 10,331.73 : x
  2. Step 2: Convert to fraction form
    18,288.99/25,240.86 = 10,331.73/x
  3. Step 3: Cross multiply
    18,288.99x = 25,240.86 × 10,331.73
  4. Step 4: Simplify right side
    18,288.99x = 260,781,820.78
  5. Step 5: Solve for x
    x = 260,781,820.78/18,288.99
  6. Step 6: Final answer
    x = 14,258.95

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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.