Home / 17,661.72-26,497.88-7,126.32

Finding the Fourth Proportional to 17,661.72, 26,497.88 and 7,126.32

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Solution

The fourth proportional to 17,661.72, 26,497.88 and 7,126.32 is: 10,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.72 : 26,497.88 = 7,126.32 : x
  2. Step 2: Convert to fraction form
    17,661.72/26,497.88 = 7,126.32/x
  3. Step 3: Cross multiply
    17,661.72x = 26,497.88 × 7,126.32
  4. Step 4: Simplify right side
    17,661.72x = 188,832,372.20
  5. Step 5: Solve for x
    x = 188,832,372.20/17,661.72
  6. Step 6: Final answer
    x = 10,691.62

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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.