Home / 20,220.98-30,337.50-14,611.33

Finding the Fourth Proportional to 20,220.98, 30,337.50 and 14,611.33

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Solution

The fourth proportional to 20,220.98, 30,337.50 and 14,611.33 is: 21,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220.98 : 30,337.50 = 14,611.33 : x
  2. Step 2: Convert to fraction form
    20,220.98/30,337.50 = 14,611.33/x
  3. Step 3: Cross multiply
    20,220.98x = 30,337.50 × 14,611.33
  4. Step 4: Simplify right side
    20,220.98x = 443,270,999.13
  5. Step 5: Solve for x
    x = 443,270,999.13/20,220.98
  6. Step 6: Final answer
    x = 21,921.34

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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.