Home / 12,968.10-19,452.15-5,182.38

Finding the Fourth Proportional to 12,968.10, 19,452.15 and 5,182.38

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Solution

The fourth proportional to 12,968.10, 19,452.15 and 5,182.38 is: 7,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.10 : 19,452.15 = 5,182.38 : x
  2. Step 2: Convert to fraction form
    12,968.10/19,452.15 = 5,182.38/x
  3. Step 3: Cross multiply
    12,968.10x = 19,452.15 × 5,182.38
  4. Step 4: Simplify right side
    12,968.10x = 100,808,433.12
  5. Step 5: Solve for x
    x = 100,808,433.12/12,968.10
  6. Step 6: Final answer
    x = 7,773.57

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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.