Home / 13,960.85-20,948.37-9,284.12

Finding the Fourth Proportional to 13,960.85, 20,948.37 and 9,284.12

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Solution

The fourth proportional to 13,960.85, 20,948.37 and 9,284.12 is: 13,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.85 : 20,948.37 = 9,284.12 : x
  2. Step 2: Convert to fraction form
    13,960.85/20,948.37 = 9,284.12/x
  3. Step 3: Cross multiply
    13,960.85x = 20,948.37 × 9,284.12
  4. Step 4: Simplify right side
    13,960.85x = 194,487,029.72
  5. Step 5: Solve for x
    x = 194,487,029.72/13,960.85
  6. Step 6: Final answer
    x = 13,930.89

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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.