Home / 13,943.38-19,241.93-7,655.75

Finding the Fourth Proportional to 13,943.38, 19,241.93 and 7,655.75

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Solution

The fourth proportional to 13,943.38, 19,241.93 and 7,655.75 is: 10,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.38 : 19,241.93 = 7,655.75 : x
  2. Step 2: Convert to fraction form
    13,943.38/19,241.93 = 7,655.75/x
  3. Step 3: Cross multiply
    13,943.38x = 19,241.93 × 7,655.75
  4. Step 4: Simplify right side
    13,943.38x = 147,311,405.60
  5. Step 5: Solve for x
    x = 147,311,405.60/13,943.38
  6. Step 6: Final answer
    x = 10,564.97

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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.