Home / 12,452.86-17,184.72-7,147.26

Finding the Fourth Proportional to 12,452.86, 17,184.72 and 7,147.26

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Solution

The fourth proportional to 12,452.86, 17,184.72 and 7,147.26 is: 9,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.86 : 17,184.72 = 7,147.26 : x
  2. Step 2: Convert to fraction form
    12,452.86/17,184.72 = 7,147.26/x
  3. Step 3: Cross multiply
    12,452.86x = 17,184.72 × 7,147.26
  4. Step 4: Simplify right side
    12,452.86x = 122,823,688.67
  5. Step 5: Solve for x
    x = 122,823,688.67/12,452.86
  6. Step 6: Final answer
    x = 9,863.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.