Home / 20,855.07-31,288.05-6,063.66

Finding the Fourth Proportional to 20,855.07, 31,288.05 and 6,063.66

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Solution

The fourth proportional to 20,855.07, 31,288.05 and 6,063.66 is: 9,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.07 : 31,288.05 = 6,063.66 : x
  2. Step 2: Convert to fraction form
    20,855.07/31,288.05 = 6,063.66/x
  3. Step 3: Cross multiply
    20,855.07x = 31,288.05 × 6,063.66
  4. Step 4: Simplify right side
    20,855.07x = 189,720,097.26
  5. Step 5: Solve for x
    x = 189,720,097.26/20,855.07
  6. Step 6: Final answer
    x = 9,097.07

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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.