Home / 13,803.22-20,705.51-3,943.97

Finding the Fourth Proportional to 13,803.22, 20,705.51 and 3,943.97

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Solution

The fourth proportional to 13,803.22, 20,705.51 and 3,943.97 is: 5,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.22 : 20,705.51 = 3,943.97 : x
  2. Step 2: Convert to fraction form
    13,803.22/20,705.51 = 3,943.97/x
  3. Step 3: Cross multiply
    13,803.22x = 20,705.51 × 3,943.97
  4. Step 4: Simplify right side
    13,803.22x = 81,661,816.61
  5. Step 5: Solve for x
    x = 81,661,816.61/13,803.22
  6. Step 6: Final answer
    x = 5,916.14

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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.