Home / 11,988.44-17,979.12-4,592.32

Finding the Fourth Proportional to 11,988.44, 17,979.12 and 4,592.32

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Solution

The fourth proportional to 11,988.44, 17,979.12 and 4,592.32 is: 6,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.44 : 17,979.12 = 4,592.32 : x
  2. Step 2: Convert to fraction form
    11,988.44/17,979.12 = 4,592.32/x
  3. Step 3: Cross multiply
    11,988.44x = 17,979.12 × 4,592.32
  4. Step 4: Simplify right side
    11,988.44x = 82,565,872.36
  5. Step 5: Solve for x
    x = 82,565,872.36/11,988.44
  6. Step 6: Final answer
    x = 6,887.12

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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.