Home / 26,013.06-39,010.14-9,142.65

Finding the Fourth Proportional to 26,013.06, 39,010.14 and 9,142.65

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Solution

The fourth proportional to 26,013.06, 39,010.14 and 9,142.65 is: 13,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.06 : 39,010.14 = 9,142.65 : x
  2. Step 2: Convert to fraction form
    26,013.06/39,010.14 = 9,142.65/x
  3. Step 3: Cross multiply
    26,013.06x = 39,010.14 × 9,142.65
  4. Step 4: Simplify right side
    26,013.06x = 356,656,056.47
  5. Step 5: Solve for x
    x = 356,656,056.47/26,013.06
  6. Step 6: Final answer
    x = 13,710.65

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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.