Home / 17,660.80-26,488.26-5,814.72

Finding the Fourth Proportional to 17,660.80, 26,488.26 and 5,814.72

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Solution

The fourth proportional to 17,660.80, 26,488.26 and 5,814.72 is: 8,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.80 : 26,488.26 = 5,814.72 : x
  2. Step 2: Convert to fraction form
    17,660.80/26,488.26 = 5,814.72/x
  3. Step 3: Cross multiply
    17,660.80x = 26,488.26 × 5,814.72
  4. Step 4: Simplify right side
    17,660.80x = 154,021,815.19
  5. Step 5: Solve for x
    x = 154,021,815.19/17,660.80
  6. Step 6: Final answer
    x = 8,721.11

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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.