Home / 10,891.96-16,338.66-4,648.48

Finding the Fourth Proportional to 10,891.96, 16,338.66 and 4,648.48

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Solution

The fourth proportional to 10,891.96, 16,338.66 and 4,648.48 is: 6,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.96 : 16,338.66 = 4,648.48 : x
  2. Step 2: Convert to fraction form
    10,891.96/16,338.66 = 4,648.48/x
  3. Step 3: Cross multiply
    10,891.96x = 16,338.66 × 4,648.48
  4. Step 4: Simplify right side
    10,891.96x = 75,949,934.24
  5. Step 5: Solve for x
    x = 75,949,934.24/10,891.96
  6. Step 6: Final answer
    x = 6,973.03

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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.