Home / 14,494.87-20,012.51-11,131.64

Finding the Fourth Proportional to 14,494.87, 20,012.51 and 11,131.64

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Solution

The fourth proportional to 14,494.87, 20,012.51 and 11,131.64 is: 15,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.87 : 20,012.51 = 11,131.64 : x
  2. Step 2: Convert to fraction form
    14,494.87/20,012.51 = 11,131.64/x
  3. Step 3: Cross multiply
    14,494.87x = 20,012.51 × 11,131.64
  4. Step 4: Simplify right side
    14,494.87x = 222,772,140.89
  5. Step 5: Solve for x
    x = 222,772,140.89/14,494.87
  6. Step 6: Final answer
    x = 15,369.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.