Home / 20,810.06-31,214.17-6,018.65

Finding the Fourth Proportional to 20,810.06, 31,214.17 and 6,018.65

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Solution

The fourth proportional to 20,810.06, 31,214.17 and 6,018.65 is: 9,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810.06 : 31,214.17 = 6,018.65 : x
  2. Step 2: Convert to fraction form
    20,810.06/31,214.17 = 6,018.65/x
  3. Step 3: Cross multiply
    20,810.06x = 31,214.17 × 6,018.65
  4. Step 4: Simplify right side
    20,810.06x = 187,866,993.15
  5. Step 5: Solve for x
    x = 187,866,993.15/20,810.06
  6. Step 6: Final answer
    x = 9,027.70

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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.