Home / 20,809.49-31,213.33-6,018.08

Finding the Fourth Proportional to 20,809.49, 31,213.33 and 6,018.08

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Solution

The fourth proportional to 20,809.49, 31,213.33 and 6,018.08 is: 9,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809.49 : 31,213.33 = 6,018.08 : x
  2. Step 2: Convert to fraction form
    20,809.49/31,213.33 = 6,018.08/x
  3. Step 3: Cross multiply
    20,809.49x = 31,213.33 × 6,018.08
  4. Step 4: Simplify right side
    20,809.49x = 187,844,379.99
  5. Step 5: Solve for x
    x = 187,844,379.99/20,809.49
  6. Step 6: Final answer
    x = 9,026.86

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1.5x scale

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.