Home / 26,109.17-39,163.75-6,387.49

Finding the Fourth Proportional to 26,109.17, 39,163.75 and 6,387.49

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Solution

The fourth proportional to 26,109.17, 39,163.75 and 6,387.49 is: 9,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.17 : 39,163.75 = 6,387.49 : x
  2. Step 2: Convert to fraction form
    26,109.17/39,163.75 = 6,387.49/x
  3. Step 3: Cross multiply
    26,109.17x = 39,163.75 × 6,387.49
  4. Step 4: Simplify right side
    26,109.17x = 250,158,061.49
  5. Step 5: Solve for x
    x = 250,158,061.49/26,109.17
  6. Step 6: Final answer
    x = 9,581.23

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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.