Home / 8,982.08-12,372-6,992.48

Finding the Fourth Proportional to 8,982.08, 12,372 and 6,992.48

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Solution

The fourth proportional to 8,982.08, 12,372 and 6,992.48 is: 9,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.08 : 12,372 = 6,992.48 : x
  2. Step 2: Convert to fraction form
    8,982.08/12,372 = 6,992.48/x
  3. Step 3: Cross multiply
    8,982.08x = 12,372 × 6,992.48
  4. Step 4: Simplify right side
    8,982.08x = 86,510,962.56
  5. Step 5: Solve for x
    x = 86,510,962.56/8,982.08
  6. Step 6: Final answer
    x = 9,631.51

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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.