Home / 12,943.52-19,415.26-5,150.52

Finding the Fourth Proportional to 12,943.52, 19,415.26 and 5,150.52

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Solution

The fourth proportional to 12,943.52, 19,415.26 and 5,150.52 is: 7,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.52 : 19,415.26 = 5,150.52 : x
  2. Step 2: Convert to fraction form
    12,943.52/19,415.26 = 5,150.52/x
  3. Step 3: Cross multiply
    12,943.52x = 19,415.26 × 5,150.52
  4. Step 4: Simplify right side
    12,943.52x = 99,998,684.94
  5. Step 5: Solve for x
    x = 99,998,684.94/12,943.52
  6. Step 6: Final answer
    x = 7,725.77

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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.