Home / 17,645.80-26,444.40-11,705.80

Finding the Fourth Proportional to 17,645.80, 26,444.40 and 11,705.80

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Solution

The fourth proportional to 17,645.80, 26,444.40 and 11,705.80 is: 17,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.80 : 26,444.40 = 11,705.80 : x
  2. Step 2: Convert to fraction form
    17,645.80/26,444.40 = 11,705.80/x
  3. Step 3: Cross multiply
    17,645.80x = 26,444.40 × 11,705.80
  4. Step 4: Simplify right side
    17,645.80x = 309,552,857.52
  5. Step 5: Solve for x
    x = 309,552,857.52/17,645.80
  6. Step 6: Final answer
    x = 17,542.58

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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.