Home / 15,778.39-23,660.67-5,910.75

Finding the Fourth Proportional to 15,778.39, 23,660.67 and 5,910.75

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Solution

The fourth proportional to 15,778.39, 23,660.67 and 5,910.75 is: 8,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.39 : 23,660.67 = 5,910.75 : x
  2. Step 2: Convert to fraction form
    15,778.39/23,660.67 = 5,910.75/x
  3. Step 3: Cross multiply
    15,778.39x = 23,660.67 × 5,910.75
  4. Step 4: Simplify right side
    15,778.39x = 139,852,305.20
  5. Step 5: Solve for x
    x = 139,852,305.20/15,778.39
  6. Step 6: Final answer
    x = 8,863.53

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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.