Home / 12,734.32-19,108.91-5,338.21

Finding the Fourth Proportional to 12,734.32, 19,108.91 and 5,338.21

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Solution

The fourth proportional to 12,734.32, 19,108.91 and 5,338.21 is: 8,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.32 : 19,108.91 = 5,338.21 : x
  2. Step 2: Convert to fraction form
    12,734.32/19,108.91 = 5,338.21/x
  3. Step 3: Cross multiply
    12,734.32x = 19,108.91 × 5,338.21
  4. Step 4: Simplify right side
    12,734.32x = 102,007,340.02
  5. Step 5: Solve for x
    x = 102,007,340.02/12,734.32
  6. Step 6: Final answer
    x = 8,010.43

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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.