Home / 17,979.84-26,959.12-6,887.36

Finding the Fourth Proportional to 17,979.84, 26,959.12 and 6,887.36

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Solution

The fourth proportional to 17,979.84, 26,959.12 and 6,887.36 is: 10,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.84 : 26,959.12 = 6,887.36 : x
  2. Step 2: Convert to fraction form
    17,979.84/26,959.12 = 6,887.36/x
  3. Step 3: Cross multiply
    17,979.84x = 26,959.12 × 6,887.36
  4. Step 4: Simplify right side
    17,979.84x = 185,677,164.72
  5. Step 5: Solve for x
    x = 185,677,164.72/17,979.84
  6. Step 6: Final answer
    x = 10,326.96

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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.