Home / 20,954.90-31,448.15-11,096.39

Finding the Fourth Proportional to 20,954.90, 31,448.15 and 11,096.39

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Solution

The fourth proportional to 20,954.90, 31,448.15 and 11,096.39 is: 16,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954.90 : 31,448.15 = 11,096.39 : x
  2. Step 2: Convert to fraction form
    20,954.90/31,448.15 = 11,096.39/x
  3. Step 3: Cross multiply
    20,954.90x = 31,448.15 × 11,096.39
  4. Step 4: Simplify right side
    20,954.90x = 348,961,001.93
  5. Step 5: Solve for x
    x = 348,961,001.93/20,954.90
  6. Step 6: Final answer
    x = 16,652.95

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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.