Home / 20,193.30-27,859.23-12,232.62

Finding the Fourth Proportional to 20,193.30, 27,859.23 and 12,232.62

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Solution

The fourth proportional to 20,193.30, 27,859.23 and 12,232.62 is: 16,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.30 : 27,859.23 = 12,232.62 : x
  2. Step 2: Convert to fraction form
    20,193.30/27,859.23 = 12,232.62/x
  3. Step 3: Cross multiply
    20,193.30x = 27,859.23 × 12,232.62
  4. Step 4: Simplify right side
    20,193.30x = 340,791,374.08
  5. Step 5: Solve for x
    x = 340,791,374.08/20,193.30
  6. Step 6: Final answer
    x = 16,876.46

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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.