Home / 13,968.85-20,960.40-9,292.15

Finding the Fourth Proportional to 13,968.85, 20,960.40 and 9,292.15

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Solution

The fourth proportional to 13,968.85, 20,960.40 and 9,292.15 is: 13,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.85 : 20,960.40 = 9,292.15 : x
  2. Step 2: Convert to fraction form
    13,968.85/20,960.40 = 9,292.15/x
  3. Step 3: Cross multiply
    13,968.85x = 20,960.40 × 9,292.15
  4. Step 4: Simplify right side
    13,968.85x = 194,767,180.86
  5. Step 5: Solve for x
    x = 194,767,180.86/13,968.85
  6. Step 6: Final answer
    x = 13,942.96

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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.