Home / 17,979.08-26,975.10-9,218.12

Finding the Fourth Proportional to 17,979.08, 26,975.10 and 9,218.12

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Solution

The fourth proportional to 17,979.08, 26,975.10 and 9,218.12 is: 13,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.08 : 26,975.10 = 9,218.12 : x
  2. Step 2: Convert to fraction form
    17,979.08/26,975.10 = 9,218.12/x
  3. Step 3: Cross multiply
    17,979.08x = 26,975.10 × 9,218.12
  4. Step 4: Simplify right side
    17,979.08x = 248,659,708.81
  5. Step 5: Solve for x
    x = 248,659,708.81/17,979.08
  6. Step 6: Final answer
    x = 13,830.50

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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.