Home / 17,455.26-26,173.58-9,115.10

Finding the Fourth Proportional to 17,455.26, 26,173.58 and 9,115.10

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Solution

The fourth proportional to 17,455.26, 26,173.58 and 9,115.10 is: 13,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.26 : 26,173.58 = 9,115.10 : x
  2. Step 2: Convert to fraction form
    17,455.26/26,173.58 = 9,115.10/x
  3. Step 3: Cross multiply
    17,455.26x = 26,173.58 × 9,115.10
  4. Step 4: Simplify right side
    17,455.26x = 238,574,799.06
  5. Step 5: Solve for x
    x = 238,574,799.06/17,455.26
  6. Step 6: Final answer
    x = 13,667.79

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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.