Home / 13,376.90-20,046.89-10,086.37

Finding the Fourth Proportional to 13,376.90, 20,046.89 and 10,086.37

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Solution

The fourth proportional to 13,376.90, 20,046.89 and 10,086.37 is: 15,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.90 : 20,046.89 = 10,086.37 : x
  2. Step 2: Convert to fraction form
    13,376.90/20,046.89 = 10,086.37/x
  3. Step 3: Cross multiply
    13,376.90x = 20,046.89 × 10,086.37
  4. Step 4: Simplify right side
    13,376.90x = 202,200,374.95
  5. Step 5: Solve for x
    x = 202,200,374.95/13,376.90
  6. Step 6: Final answer
    x = 15,115.64

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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.