Home / 13,744.26-18,967.20-7,456.76

Finding the Fourth Proportional to 13,744.26, 18,967.20 and 7,456.76

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Solution

The fourth proportional to 13,744.26, 18,967.20 and 7,456.76 is: 10,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.26 : 18,967.20 = 7,456.76 : x
  2. Step 2: Convert to fraction form
    13,744.26/18,967.20 = 7,456.76/x
  3. Step 3: Cross multiply
    13,744.26x = 18,967.20 × 7,456.76
  4. Step 4: Simplify right side
    13,744.26x = 141,433,858.27
  5. Step 5: Solve for x
    x = 141,433,858.27/13,744.26
  6. Step 6: Final answer
    x = 10,290.39

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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.