Home / 12,567.03-18,850.14-3,801.21

Finding the Fourth Proportional to 12,567.03, 18,850.14 and 3,801.21

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Solution

The fourth proportional to 12,567.03, 18,850.14 and 3,801.21 is: 5,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.03 : 18,850.14 = 3,801.21 : x
  2. Step 2: Convert to fraction form
    12,567.03/18,850.14 = 3,801.21/x
  3. Step 3: Cross multiply
    12,567.03x = 18,850.14 × 3,801.21
  4. Step 4: Simplify right side
    12,567.03x = 71,653,340.67
  5. Step 5: Solve for x
    x = 71,653,340.67/12,567.03
  6. Step 6: Final answer
    x = 5,701.69

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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.