Home / 17,390.97-26,045.89-12,699.36

Finding the Fourth Proportional to 17,390.97, 26,045.89 and 12,699.36

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Solution

The fourth proportional to 17,390.97, 26,045.89 and 12,699.36 is: 19,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.97 : 26,045.89 = 12,699.36 : x
  2. Step 2: Convert to fraction form
    17,390.97/26,045.89 = 12,699.36/x
  3. Step 3: Cross multiply
    17,390.97x = 26,045.89 × 12,699.36
  4. Step 4: Simplify right side
    17,390.97x = 330,766,101.88
  5. Step 5: Solve for x
    x = 330,766,101.88/17,390.97
  6. Step 6: Final answer
    x = 19,019.42

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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.