Home / 11,117.60-16,678.56-3,326.24

Finding the Fourth Proportional to 11,117.60, 16,678.56 and 3,326.24

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Solution

The fourth proportional to 11,117.60, 16,678.56 and 3,326.24 is: 4,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.60 : 16,678.56 = 3,326.24 : x
  2. Step 2: Convert to fraction form
    11,117.60/16,678.56 = 3,326.24/x
  3. Step 3: Cross multiply
    11,117.60x = 16,678.56 × 3,326.24
  4. Step 4: Simplify right side
    11,117.60x = 55,476,893.41
  5. Step 5: Solve for x
    x = 55,476,893.41/11,117.60
  6. Step 6: Final answer
    x = 4,990.01

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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.