Home / 13,971.35-20,957.03-3,583.10

Finding the Fourth Proportional to 13,971.35, 20,957.03 and 3,583.10

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Solution

The fourth proportional to 13,971.35, 20,957.03 and 3,583.10 is: 5,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.35 : 20,957.03 = 3,583.10 : x
  2. Step 2: Convert to fraction form
    13,971.35/20,957.03 = 3,583.10/x
  3. Step 3: Cross multiply
    13,971.35x = 20,957.03 × 3,583.10
  4. Step 4: Simplify right side
    13,971.35x = 75,091,168.67
  5. Step 5: Solve for x
    x = 75,091,168.67/13,971.35
  6. Step 6: Final answer
    x = 5,374.65

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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.