Home / 15,647.97-21,593.57-9,363.81

Finding the Fourth Proportional to 15,647.97, 21,593.57 and 9,363.81

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Solution

The fourth proportional to 15,647.97, 21,593.57 and 9,363.81 is: 12,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.97 : 21,593.57 = 9,363.81 : x
  2. Step 2: Convert to fraction form
    15,647.97/21,593.57 = 9,363.81/x
  3. Step 3: Cross multiply
    15,647.97x = 21,593.57 × 9,363.81
  4. Step 4: Simplify right side
    15,647.97x = 202,198,039.88
  5. Step 5: Solve for x
    x = 202,198,039.88/15,647.97
  6. Step 6: Final answer
    x = 12,921.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.