Home / 12,949.52-19,424.26-5,156.52

Finding the Fourth Proportional to 12,949.52, 19,424.26 and 5,156.52

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Solution

The fourth proportional to 12,949.52, 19,424.26 and 5,156.52 is: 7,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.52 : 19,424.26 = 5,156.52 : x
  2. Step 2: Convert to fraction form
    12,949.52/19,424.26 = 5,156.52/x
  3. Step 3: Cross multiply
    12,949.52x = 19,424.26 × 5,156.52
  4. Step 4: Simplify right side
    12,949.52x = 100,161,585.18
  5. Step 5: Solve for x
    x = 100,161,585.18/12,949.52
  6. Step 6: Final answer
    x = 7,734.77

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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.