Home / 17,979.36-26,961.12-9,656.88

Finding the Fourth Proportional to 17,979.36, 26,961.12 and 9,656.88

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Solution

The fourth proportional to 17,979.36, 26,961.12 and 9,656.88 is: 14,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.36 : 26,961.12 = 9,656.88 : x
  2. Step 2: Convert to fraction form
    17,979.36/26,961.12 = 9,656.88/x
  3. Step 3: Cross multiply
    17,979.36x = 26,961.12 × 9,656.88
  4. Step 4: Simplify right side
    17,979.36x = 260,360,300.51
  5. Step 5: Solve for x
    x = 260,360,300.51/17,979.36
  6. Step 6: Final answer
    x = 14,481.07

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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.