Home / 13,304.80-18,359.34-7,334.96

Finding the Fourth Proportional to 13,304.80, 18,359.34 and 7,334.96

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Solution

The fourth proportional to 13,304.80, 18,359.34 and 7,334.96 is: 10,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.80 : 18,359.34 = 7,334.96 : x
  2. Step 2: Convert to fraction form
    13,304.80/18,359.34 = 7,334.96/x
  3. Step 3: Cross multiply
    13,304.80x = 18,359.34 × 7,334.96
  4. Step 4: Simplify right side
    13,304.80x = 134,665,024.53
  5. Step 5: Solve for x
    x = 134,665,024.53/13,304.80
  6. Step 6: Final answer
    x = 10,121.54

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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.