Home / 12,587.68-17,370.60-6,922.44

Finding the Fourth Proportional to 12,587.68, 17,370.60 and 6,922.44

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Solution

The fourth proportional to 12,587.68, 17,370.60 and 6,922.44 is: 9,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.68 : 17,370.60 = 6,922.44 : x
  2. Step 2: Convert to fraction form
    12,587.68/17,370.60 = 6,922.44/x
  3. Step 3: Cross multiply
    12,587.68x = 17,370.60 × 6,922.44
  4. Step 4: Simplify right side
    12,587.68x = 120,246,936.26
  5. Step 5: Solve for x
    x = 120,246,936.26/12,587.68
  6. Step 6: Final answer
    x = 9,552.75

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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.