Home / 17,376.38-23,979.47-9,418.60

Finding the Fourth Proportional to 17,376.38, 23,979.47 and 9,418.60

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Solution

The fourth proportional to 17,376.38, 23,979.47 and 9,418.60 is: 12,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.38 : 23,979.47 = 9,418.60 : x
  2. Step 2: Convert to fraction form
    17,376.38/23,979.47 = 9,418.60/x
  3. Step 3: Cross multiply
    17,376.38x = 23,979.47 × 9,418.60
  4. Step 4: Simplify right side
    17,376.38x = 225,853,036.14
  5. Step 5: Solve for x
    x = 225,853,036.14/17,376.38
  6. Step 6: Final answer
    x = 12,997.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.