Home / 17,618.99-26,439.14-7,091.35

Finding the Fourth Proportional to 17,618.99, 26,439.14 and 7,091.35

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Solution

The fourth proportional to 17,618.99, 26,439.14 and 7,091.35 is: 10,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.99 : 26,439.14 = 7,091.35 : x
  2. Step 2: Convert to fraction form
    17,618.99/26,439.14 = 7,091.35/x
  3. Step 3: Cross multiply
    17,618.99x = 26,439.14 × 7,091.35
  4. Step 4: Simplify right side
    17,618.99x = 187,489,147.07
  5. Step 5: Solve for x
    x = 187,489,147.07/17,618.99
  6. Step 6: Final answer
    x = 10,641.31

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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.