Home / 42,628.96-63,943.92-11,464.48

Finding the Fourth Proportional to 42,628.96, 63,943.92 and 11,464.48

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Solution

The fourth proportional to 42,628.96, 63,943.92 and 11,464.48 is: 17,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.96 : 63,943.92 = 11,464.48 : x
  2. Step 2: Convert to fraction form
    42,628.96/63,943.92 = 11,464.48/x
  3. Step 3: Cross multiply
    42,628.96x = 63,943.92 × 11,464.48
  4. Step 4: Simplify right side
    42,628.96x = 733,083,791.96
  5. Step 5: Solve for x
    x = 733,083,791.96/42,628.96
  6. Step 6: Final answer
    x = 17,196.85

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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.