Home / 18,679.40-25,766.34-14,694.20

Finding the Fourth Proportional to 18,679.40, 25,766.34 and 14,694.20

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Solution

The fourth proportional to 18,679.40, 25,766.34 and 14,694.20 is: 20,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.40 : 25,766.34 = 14,694.20 : x
  2. Step 2: Convert to fraction form
    18,679.40/25,766.34 = 14,694.20/x
  3. Step 3: Cross multiply
    18,679.40x = 25,766.34 × 14,694.20
  4. Step 4: Simplify right side
    18,679.40x = 378,615,753.23
  5. Step 5: Solve for x
    x = 378,615,753.23/18,679.40
  6. Step 6: Final answer
    x = 20,269.16

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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.