Home / 13,721.34-20,582.01-3,333.02

Finding the Fourth Proportional to 13,721.34, 20,582.01 and 3,333.02

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Solution

The fourth proportional to 13,721.34, 20,582.01 and 3,333.02 is: 4,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.34 : 20,582.01 = 3,333.02 : x
  2. Step 2: Convert to fraction form
    13,721.34/20,582.01 = 3,333.02/x
  3. Step 3: Cross multiply
    13,721.34x = 20,582.01 × 3,333.02
  4. Step 4: Simplify right side
    13,721.34x = 68,600,250.97
  5. Step 5: Solve for x
    x = 68,600,250.97/13,721.34
  6. Step 6: Final answer
    x = 4,999.53

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Similar ratio
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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.