Home / 15,400.44-23,072.40-13,740.12

Finding the Fourth Proportional to 15,400.44, 23,072.40 and 13,740.12

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Solution

The fourth proportional to 15,400.44, 23,072.40 and 13,740.12 is: 20,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.44 : 23,072.40 = 13,740.12 : x
  2. Step 2: Convert to fraction form
    15,400.44/23,072.40 = 13,740.12/x
  3. Step 3: Cross multiply
    15,400.44x = 23,072.40 × 13,740.12
  4. Step 4: Simplify right side
    15,400.44x = 317,017,544.69
  5. Step 5: Solve for x
    x = 317,017,544.69/15,400.44
  6. Step 6: Final answer
    x = 20,584.97

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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.