Home / 19,214.42-28,825.25-8,684.31

Finding the Fourth Proportional to 19,214.42, 28,825.25 and 8,684.31

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Solution

The fourth proportional to 19,214.42, 28,825.25 and 8,684.31 is: 13,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.42 : 28,825.25 = 8,684.31 : x
  2. Step 2: Convert to fraction form
    19,214.42/28,825.25 = 8,684.31/x
  3. Step 3: Cross multiply
    19,214.42x = 28,825.25 × 8,684.31
  4. Step 4: Simplify right side
    19,214.42x = 250,327,363.41
  5. Step 5: Solve for x
    x = 250,327,363.41/19,214.42
  6. Step 6: Final answer
    x = 13,028.10

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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.