Home / 12,934.08-17,843.52-8,145.52

Finding the Fourth Proportional to 12,934.08, 17,843.52 and 8,145.52

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Solution

The fourth proportional to 12,934.08, 17,843.52 and 8,145.52 is: 11,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.08 : 17,843.52 = 8,145.52 : x
  2. Step 2: Convert to fraction form
    12,934.08/17,843.52 = 8,145.52/x
  3. Step 3: Cross multiply
    12,934.08x = 17,843.52 × 8,145.52
  4. Step 4: Simplify right side
    12,934.08x = 145,344,749.03
  5. Step 5: Solve for x
    x = 145,344,749.03/12,934.08
  6. Step 6: Final answer
    x = 11,237.35

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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.