Home / 12,301.62-16,976.61-6,997.20

Finding the Fourth Proportional to 12,301.62, 16,976.61 and 6,997.20

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Solution

The fourth proportional to 12,301.62, 16,976.61 and 6,997.20 is: 9,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.62 : 16,976.61 = 6,997.20 : x
  2. Step 2: Convert to fraction form
    12,301.62/16,976.61 = 6,997.20/x
  3. Step 3: Cross multiply
    12,301.62x = 16,976.61 × 6,997.20
  4. Step 4: Simplify right side
    12,301.62x = 118,788,735.49
  5. Step 5: Solve for x
    x = 118,788,735.49/12,301.62
  6. Step 6: Final answer
    x = 9,656.35

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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.