Home / 13,307.22-19,960.92-3,947.46

Finding the Fourth Proportional to 13,307.22, 19,960.92 and 3,947.46

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Solution

The fourth proportional to 13,307.22, 19,960.92 and 3,947.46 is: 5,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.22 : 19,960.92 = 3,947.46 : x
  2. Step 2: Convert to fraction form
    13,307.22/19,960.92 = 3,947.46/x
  3. Step 3: Cross multiply
    13,307.22x = 19,960.92 × 3,947.46
  4. Step 4: Simplify right side
    13,307.22x = 78,794,933.26
  5. Step 5: Solve for x
    x = 78,794,933.26/13,307.22
  6. Step 6: Final answer
    x = 5,921.22

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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.