Home / 13,344.18-19,979.34-6,738.12

Finding the Fourth Proportional to 13,344.18, 19,979.34 and 6,738.12

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Solution

The fourth proportional to 13,344.18, 19,979.34 and 6,738.12 is: 10,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.18 : 19,979.34 = 6,738.12 : x
  2. Step 2: Convert to fraction form
    13,344.18/19,979.34 = 6,738.12/x
  3. Step 3: Cross multiply
    13,344.18x = 19,979.34 × 6,738.12
  4. Step 4: Simplify right side
    13,344.18x = 134,623,190.44
  5. Step 5: Solve for x
    x = 134,623,190.44/13,344.18
  6. Step 6: Final answer
    x = 10,088.53

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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.