Home / 12,628.05-18,937.98-5,963.52

Finding the Fourth Proportional to 12,628.05, 18,937.98 and 5,963.52

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Solution

The fourth proportional to 12,628.05, 18,937.98 and 5,963.52 is: 8,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.05 : 18,937.98 = 5,963.52 : x
  2. Step 2: Convert to fraction form
    12,628.05/18,937.98 = 5,963.52/x
  3. Step 3: Cross multiply
    12,628.05x = 18,937.98 × 5,963.52
  4. Step 4: Simplify right side
    12,628.05x = 112,936,992.67
  5. Step 5: Solve for x
    x = 112,936,992.67/12,628.05
  6. Step 6: Final answer
    x = 8,943.34

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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.