Home / 11,151.04-16,703.88-8,947.84

Finding the Fourth Proportional to 11,151.04, 16,703.88 and 8,947.84

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Solution

The fourth proportional to 11,151.04, 16,703.88 and 8,947.84 is: 13,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.04 : 16,703.88 = 8,947.84 : x
  2. Step 2: Convert to fraction form
    11,151.04/16,703.88 = 8,947.84/x
  3. Step 3: Cross multiply
    11,151.04x = 16,703.88 × 8,947.84
  4. Step 4: Simplify right side
    11,151.04x = 149,463,645.62
  5. Step 5: Solve for x
    x = 149,463,645.62/11,151.04
  6. Step 6: Final answer
    x = 13,403.56

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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.