Home / 12,529.27-18,770.28-9,742.44

Finding the Fourth Proportional to 12,529.27, 18,770.28 and 9,742.44

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Solution

The fourth proportional to 12,529.27, 18,770.28 and 9,742.44 is: 14,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.27 : 18,770.28 = 9,742.44 : x
  2. Step 2: Convert to fraction form
    12,529.27/18,770.28 = 9,742.44/x
  3. Step 3: Cross multiply
    12,529.27x = 18,770.28 × 9,742.44
  4. Step 4: Simplify right side
    12,529.27x = 182,868,326.68
  5. Step 5: Solve for x
    x = 182,868,326.68/12,529.27
  6. Step 6: Final answer
    x = 14,595.29

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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.