Home / 16,943.81-23,383.35-9,390.96

Finding the Fourth Proportional to 16,943.81, 23,383.35 and 9,390.96

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Solution

The fourth proportional to 16,943.81, 23,383.35 and 9,390.96 is: 12,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.81 : 23,383.35 = 9,390.96 : x
  2. Step 2: Convert to fraction form
    16,943.81/23,383.35 = 9,390.96/x
  3. Step 3: Cross multiply
    16,943.81x = 23,383.35 × 9,390.96
  4. Step 4: Simplify right side
    16,943.81x = 219,592,104.52
  5. Step 5: Solve for x
    x = 219,592,104.52/16,943.81
  6. Step 6: Final answer
    x = 12,960.02

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