Home / 12,026.78-18,040.19-5,006.70

Finding the Fourth Proportional to 12,026.78, 18,040.19 and 5,006.70

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Solution

The fourth proportional to 12,026.78, 18,040.19 and 5,006.70 is: 7,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.78 : 18,040.19 = 5,006.70 : x
  2. Step 2: Convert to fraction form
    12,026.78/18,040.19 = 5,006.70/x
  3. Step 3: Cross multiply
    12,026.78x = 18,040.19 × 5,006.70
  4. Step 4: Simplify right side
    12,026.78x = 90,321,819.27
  5. Step 5: Solve for x
    x = 90,321,819.27/12,026.78
  6. Step 6: Final answer
    x = 7,510.06

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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.