Home / 18,722.34-25,839.45-10,764.42

Finding the Fourth Proportional to 18,722.34, 25,839.45 and 10,764.42

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Solution

The fourth proportional to 18,722.34, 25,839.45 and 10,764.42 is: 14,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.34 : 25,839.45 = 10,764.42 : x
  2. Step 2: Convert to fraction form
    18,722.34/25,839.45 = 10,764.42/x
  3. Step 3: Cross multiply
    18,722.34x = 25,839.45 × 10,764.42
  4. Step 4: Simplify right side
    18,722.34x = 278,146,692.37
  5. Step 5: Solve for x
    x = 278,146,692.37/18,722.34
  6. Step 6: Final answer
    x = 14,856.41

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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.