Home / 17,076.84-25,612-5,386.92

Finding the Fourth Proportional to 17,076.84, 25,612 and 5,386.92

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Solution

The fourth proportional to 17,076.84, 25,612 and 5,386.92 is: 8,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.84 : 25,612 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    17,076.84/25,612 = 5,386.92/x
  3. Step 3: Cross multiply
    17,076.84x = 25,612 × 5,386.92
  4. Step 4: Simplify right side
    17,076.84x = 137,969,795.04
  5. Step 5: Solve for x
    x = 137,969,795.04/17,076.84
  6. Step 6: Final answer
    x = 8,079.35

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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.