Home / 13,161.96-19,743.03-5,265.15

Finding the Fourth Proportional to 13,161.96, 19,743.03 and 5,265.15

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Solution

The fourth proportional to 13,161.96, 19,743.03 and 5,265.15 is: 7,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.96 : 19,743.03 = 5,265.15 : x
  2. Step 2: Convert to fraction form
    13,161.96/19,743.03 = 5,265.15/x
  3. Step 3: Cross multiply
    13,161.96x = 19,743.03 × 5,265.15
  4. Step 4: Simplify right side
    13,161.96x = 103,950,014.40
  5. Step 5: Solve for x
    x = 103,950,014.40/13,161.96
  6. Step 6: Final answer
    x = 7,897.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.