Home / 12,287.48-16,956.76-6,982.32

Finding the Fourth Proportional to 12,287.48, 16,956.76 and 6,982.32

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Solution

The fourth proportional to 12,287.48, 16,956.76 and 6,982.32 is: 9,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.48 : 16,956.76 = 6,982.32 : x
  2. Step 2: Convert to fraction form
    12,287.48/16,956.76 = 6,982.32/x
  3. Step 3: Cross multiply
    12,287.48x = 16,956.76 × 6,982.32
  4. Step 4: Simplify right side
    12,287.48x = 118,397,524.48
  5. Step 5: Solve for x
    x = 118,397,524.48/12,287.48
  6. Step 6: Final answer
    x = 9,635.62

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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.