Home / 20,999.23-31,491.55-6,204.17

Finding the Fourth Proportional to 20,999.23, 31,491.55 and 6,204.17

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Solution

The fourth proportional to 20,999.23, 31,491.55 and 6,204.17 is: 9,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,999.23 : 31,491.55 = 6,204.17 : x
  2. Step 2: Convert to fraction form
    20,999.23/31,491.55 = 6,204.17/x
  3. Step 3: Cross multiply
    20,999.23x = 31,491.55 × 6,204.17
  4. Step 4: Simplify right side
    20,999.23x = 195,378,929.76
  5. Step 5: Solve for x
    x = 195,378,929.76/20,999.23
  6. Step 6: Final answer
    x = 9,304.10

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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.