Home / 18,737.54-25,856.33-10,778.23

Finding the Fourth Proportional to 18,737.54, 25,856.33 and 10,778.23

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Solution

The fourth proportional to 18,737.54, 25,856.33 and 10,778.23 is: 14,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.54 : 25,856.33 = 10,778.23 : x
  2. Step 2: Convert to fraction form
    18,737.54/25,856.33 = 10,778.23/x
  3. Step 3: Cross multiply
    18,737.54x = 25,856.33 × 10,778.23
  4. Step 4: Simplify right side
    18,737.54x = 278,685,471.70
  5. Step 5: Solve for x
    x = 278,685,471.70/18,737.54
  6. Step 6: Final answer
    x = 14,873.11

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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.