Home / 10,558.97-15,822.03-3,981.56

Finding the Fourth Proportional to 10,558.97, 15,822.03 and 3,981.56

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Solution

The fourth proportional to 10,558.97, 15,822.03 and 3,981.56 is: 5,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.97 : 15,822.03 = 3,981.56 : x
  2. Step 2: Convert to fraction form
    10,558.97/15,822.03 = 3,981.56/x
  3. Step 3: Cross multiply
    10,558.97x = 15,822.03 × 3,981.56
  4. Step 4: Simplify right side
    10,558.97x = 62,996,361.77
  5. Step 5: Solve for x
    x = 62,996,361.77/10,558.97
  6. Step 6: Final answer
    x = 5,966.15

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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.