Home / 13,943.31-19,241.85-7,569.92

Finding the Fourth Proportional to 13,943.31, 19,241.85 and 7,569.92

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Solution

The fourth proportional to 13,943.31, 19,241.85 and 7,569.92 is: 10,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.31 : 19,241.85 = 7,569.92 : x
  2. Step 2: Convert to fraction form
    13,943.31/19,241.85 = 7,569.92/x
  3. Step 3: Cross multiply
    13,943.31x = 19,241.85 × 7,569.92
  4. Step 4: Simplify right side
    13,943.31x = 145,659,168.94
  5. Step 5: Solve for x
    x = 145,659,168.94/13,943.31
  6. Step 6: Final answer
    x = 10,446.53

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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.