Home / 13,740.88-20,608.93-6,344.71

Finding the Fourth Proportional to 13,740.88, 20,608.93 and 6,344.71

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Solution

The fourth proportional to 13,740.88, 20,608.93 and 6,344.71 is: 9,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.88 : 20,608.93 = 6,344.71 : x
  2. Step 2: Convert to fraction form
    13,740.88/20,608.93 = 6,344.71/x
  3. Step 3: Cross multiply
    13,740.88x = 20,608.93 × 6,344.71
  4. Step 4: Simplify right side
    13,740.88x = 130,757,684.26
  5. Step 5: Solve for x
    x = 130,757,684.26/13,740.88
  6. Step 6: Final answer
    x = 9,515.96

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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.