Home / 26,146.54-39,203.18-12,087.78

Finding the Fourth Proportional to 26,146.54, 39,203.18 and 12,087.78

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Solution

The fourth proportional to 26,146.54, 39,203.18 and 12,087.78 is: 18,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.54 : 39,203.18 = 12,087.78 : x
  2. Step 2: Convert to fraction form
    26,146.54/39,203.18 = 12,087.78/x
  3. Step 3: Cross multiply
    26,146.54x = 39,203.18 × 12,087.78
  4. Step 4: Simplify right side
    26,146.54x = 473,879,219.12
  5. Step 5: Solve for x
    x = 473,879,219.12/26,146.54
  6. Step 6: Final answer
    x = 18,123.97

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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.