Home / 12,766.16-19,147.08-3,530

Finding the Fourth Proportional to 12,766.16, 19,147.08 and 3,530

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Solution

The fourth proportional to 12,766.16, 19,147.08 and 3,530 is: 5,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.16 : 19,147.08 = 3,530 : x
  2. Step 2: Convert to fraction form
    12,766.16/19,147.08 = 3,530/x
  3. Step 3: Cross multiply
    12,766.16x = 19,147.08 × 3,530
  4. Step 4: Simplify right side
    12,766.16x = 67,589,192.40
  5. Step 5: Solve for x
    x = 67,589,192.40/12,766.16
  6. Step 6: Final answer
    x = 5,294.40

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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.