Home / 17,315.04-25,976.40-8,076

Finding the Fourth Proportional to 17,315.04, 25,976.40 and 8,076

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Solution

The fourth proportional to 17,315.04, 25,976.40 and 8,076 is: 12,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.04 : 25,976.40 = 8,076 : x
  2. Step 2: Convert to fraction form
    17,315.04/25,976.40 = 8,076/x
  3. Step 3: Cross multiply
    17,315.04x = 25,976.40 × 8,076
  4. Step 4: Simplify right side
    17,315.04x = 209,785,406.40
  5. Step 5: Solve for x
    x = 209,785,406.40/17,315.04
  6. Step 6: Final answer
    x = 12,115.79

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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.