Home / 12,287.32-16,956.49-6,698.32

Finding the Fourth Proportional to 12,287.32, 16,956.49 and 6,698.32

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Solution

The fourth proportional to 12,287.32, 16,956.49 and 6,698.32 is: 9,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.32 : 16,956.49 = 6,698.32 : x
  2. Step 2: Convert to fraction form
    12,287.32/16,956.49 = 6,698.32/x
  3. Step 3: Cross multiply
    12,287.32x = 16,956.49 × 6,698.32
  4. Step 4: Simplify right side
    12,287.32x = 113,579,996.10
  5. Step 5: Solve for x
    x = 113,579,996.10/12,287.32
  6. Step 6: Final answer
    x = 9,243.68

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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.