Home / 13,943.44-19,117.19-13,693.96

Finding the Fourth Proportional to 13,943.44, 19,117.19 and 13,693.96

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Solution

The fourth proportional to 13,943.44, 19,117.19 and 13,693.96 is: 18,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.44 : 19,117.19 = 13,693.96 : x
  2. Step 2: Convert to fraction form
    13,943.44/19,117.19 = 13,693.96/x
  3. Step 3: Cross multiply
    13,943.44x = 19,117.19 × 13,693.96
  4. Step 4: Simplify right side
    13,943.44x = 261,790,035.17
  5. Step 5: Solve for x
    x = 261,790,035.17/13,943.44
  6. Step 6: Final answer
    x = 18,775.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.