Home / 19,231.14-28,846.70-5,380.14

Finding the Fourth Proportional to 19,231.14, 28,846.70 and 5,380.14

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Solution

The fourth proportional to 19,231.14, 28,846.70 and 5,380.14 is: 8,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.14 : 28,846.70 = 5,380.14 : x
  2. Step 2: Convert to fraction form
    19,231.14/28,846.70 = 5,380.14/x
  3. Step 3: Cross multiply
    19,231.14x = 28,846.70 × 5,380.14
  4. Step 4: Simplify right side
    19,231.14x = 155,199,257.64
  5. Step 5: Solve for x
    x = 155,199,257.64/19,231.14
  6. Step 6: Final answer
    x = 8,070.21

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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.