Home / 17,711.88-26,572.38-6,618.64

Finding the Fourth Proportional to 17,711.88, 26,572.38 and 6,618.64

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Solution

The fourth proportional to 17,711.88, 26,572.38 and 6,618.64 is: 9,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.88 : 26,572.38 = 6,618.64 : x
  2. Step 2: Convert to fraction form
    17,711.88/26,572.38 = 6,618.64/x
  3. Step 3: Cross multiply
    17,711.88x = 26,572.38 × 6,618.64
  4. Step 4: Simplify right side
    17,711.88x = 175,873,017.16
  5. Step 5: Solve for x
    x = 175,873,017.16/17,711.88
  6. Step 6: Final answer
    x = 9,929.66

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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.