Home / 12,743.92-19,122.36-6,587.92

Finding the Fourth Proportional to 12,743.92, 19,122.36 and 6,587.92

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Solution

The fourth proportional to 12,743.92, 19,122.36 and 6,587.92 is: 9,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.92 : 19,122.36 = 6,587.92 : x
  2. Step 2: Convert to fraction form
    12,743.92/19,122.36 = 6,587.92/x
  3. Step 3: Cross multiply
    12,743.92x = 19,122.36 × 6,587.92
  4. Step 4: Simplify right side
    12,743.92x = 125,976,577.89
  5. Step 5: Solve for x
    x = 125,976,577.89/12,743.92
  6. Step 6: Final answer
    x = 9,885.23

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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.