Home / 17,871.02-26,806.73-5,391.15

Finding the Fourth Proportional to 17,871.02, 26,806.73 and 5,391.15

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Solution

The fourth proportional to 17,871.02, 26,806.73 and 5,391.15 is: 8,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.02 : 26,806.73 = 5,391.15 : x
  2. Step 2: Convert to fraction form
    17,871.02/26,806.73 = 5,391.15/x
  3. Step 3: Cross multiply
    17,871.02x = 26,806.73 × 5,391.15
  4. Step 4: Simplify right side
    17,871.02x = 144,519,193.61
  5. Step 5: Solve for x
    x = 144,519,193.61/17,871.02
  6. Step 6: Final answer
    x = 8,086.79

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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.