Home / 17,699.15-26,565.14-8,940.21

Finding the Fourth Proportional to 17,699.15, 26,565.14 and 8,940.21

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Solution

The fourth proportional to 17,699.15, 26,565.14 and 8,940.21 is: 13,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.15 : 26,565.14 = 8,940.21 : x
  2. Step 2: Convert to fraction form
    17,699.15/26,565.14 = 8,940.21/x
  3. Step 3: Cross multiply
    17,699.15x = 26,565.14 × 8,940.21
  4. Step 4: Simplify right side
    17,699.15x = 237,497,952.63
  5. Step 5: Solve for x
    x = 237,497,952.63/17,699.15
  6. Step 6: Final answer
    x = 13,418.61

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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.