Home / 21,353.50-29,468.05-11,793.62

Finding the Fourth Proportional to 21,353.50, 29,468.05 and 11,793.62

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Solution

The fourth proportional to 21,353.50, 29,468.05 and 11,793.62 is: 16,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.50 : 29,468.05 = 11,793.62 : x
  2. Step 2: Convert to fraction form
    21,353.50/29,468.05 = 11,793.62/x
  3. Step 3: Cross multiply
    21,353.50x = 29,468.05 × 11,793.62
  4. Step 4: Simplify right side
    21,353.50x = 347,534,998.54
  5. Step 5: Solve for x
    x = 347,534,998.54/21,353.50
  6. Step 6: Final answer
    x = 16,275.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.