Home / 12,734.09-19,103.24-5,339.10

Finding the Fourth Proportional to 12,734.09, 19,103.24 and 5,339.10

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Solution

The fourth proportional to 12,734.09, 19,103.24 and 5,339.10 is: 8,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.09 : 19,103.24 = 5,339.10 : x
  2. Step 2: Convert to fraction form
    12,734.09/19,103.24 = 5,339.10/x
  3. Step 3: Cross multiply
    12,734.09x = 19,103.24 × 5,339.10
  4. Step 4: Simplify right side
    12,734.09x = 101,994,108.68
  5. Step 5: Solve for x
    x = 101,994,108.68/12,734.09
  6. Step 6: Final answer
    x = 8,009.53

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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.