Home / 13,942.25-19,240.46-7,568.90

Finding the Fourth Proportional to 13,942.25, 19,240.46 and 7,568.90

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Solution

The fourth proportional to 13,942.25, 19,240.46 and 7,568.90 is: 10,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.25 : 19,240.46 = 7,568.90 : x
  2. Step 2: Convert to fraction form
    13,942.25/19,240.46 = 7,568.90/x
  3. Step 3: Cross multiply
    13,942.25x = 19,240.46 × 7,568.90
  4. Step 4: Simplify right side
    13,942.25x = 145,629,184.72
  5. Step 5: Solve for x
    x = 145,629,184.72/13,942.25
  6. Step 6: Final answer
    x = 10,445.17

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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.