Home / 16,190.04-22,343.94-9,906.60

Finding the Fourth Proportional to 16,190.04, 22,343.94 and 9,906.60

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Solution

The fourth proportional to 16,190.04, 22,343.94 and 9,906.60 is: 13,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.04 : 22,343.94 = 9,906.60 : x
  2. Step 2: Convert to fraction form
    16,190.04/22,343.94 = 9,906.60/x
  3. Step 3: Cross multiply
    16,190.04x = 22,343.94 × 9,906.60
  4. Step 4: Simplify right side
    16,190.04x = 221,352,476.00
  5. Step 5: Solve for x
    x = 221,352,476.00/16,190.04
  6. Step 6: Final answer
    x = 13,672.14

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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.