Home / 16,110.87-22,236.81-9,399.81

Finding the Fourth Proportional to 16,110.87, 22,236.81 and 9,399.81

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Solution

The fourth proportional to 16,110.87, 22,236.81 and 9,399.81 is: 12,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.87 : 22,236.81 = 9,399.81 : x
  2. Step 2: Convert to fraction form
    16,110.87/22,236.81 = 9,399.81/x
  3. Step 3: Cross multiply
    16,110.87x = 22,236.81 × 9,399.81
  4. Step 4: Simplify right side
    16,110.87x = 209,021,789.01
  5. Step 5: Solve for x
    x = 209,021,789.01/16,110.87
  6. Step 6: Final answer
    x = 12,973.96

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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.