Home / 19,427.32-29,115.18-7,734.12

Finding the Fourth Proportional to 19,427.32, 29,115.18 and 7,734.12

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Solution

The fourth proportional to 19,427.32, 29,115.18 and 7,734.12 is: 11,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.32 : 29,115.18 = 7,734.12 : x
  2. Step 2: Convert to fraction form
    19,427.32/29,115.18 = 7,734.12/x
  3. Step 3: Cross multiply
    19,427.32x = 29,115.18 × 7,734.12
  4. Step 4: Simplify right side
    19,427.32x = 225,180,295.94
  5. Step 5: Solve for x
    x = 225,180,295.94/19,427.32
  6. Step 6: Final answer
    x = 11,590.91

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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.