Home / 26,013.56-39,010.89-9,143.15

Finding the Fourth Proportional to 26,013.56, 39,010.89 and 9,143.15

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Solution

The fourth proportional to 26,013.56, 39,010.89 and 9,143.15 is: 13,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.56 : 39,010.89 = 9,143.15 : x
  2. Step 2: Convert to fraction form
    26,013.56/39,010.89 = 9,143.15/x
  3. Step 3: Cross multiply
    26,013.56x = 39,010.89 × 9,143.15
  4. Step 4: Simplify right side
    26,013.56x = 356,682,418.90
  5. Step 5: Solve for x
    x = 356,682,418.90/26,013.56
  6. Step 6: Final answer
    x = 13,711.40

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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.