Home / 16,190.82-22,346.01-9,117.90

Finding the Fourth Proportional to 16,190.82, 22,346.01 and 9,117.90

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Solution

The fourth proportional to 16,190.82, 22,346.01 and 9,117.90 is: 12,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.82 : 22,346.01 = 9,117.90 : x
  2. Step 2: Convert to fraction form
    16,190.82/22,346.01 = 9,117.90/x
  3. Step 3: Cross multiply
    16,190.82x = 22,346.01 × 9,117.90
  4. Step 4: Simplify right side
    16,190.82x = 203,748,684.58
  5. Step 5: Solve for x
    x = 203,748,684.58/16,190.82
  6. Step 6: Final answer
    x = 12,584.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.