Home / 17,166.90-25,703.52-12,994.26

Finding the Fourth Proportional to 17,166.90, 25,703.52 and 12,994.26

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Solution

The fourth proportional to 17,166.90, 25,703.52 and 12,994.26 is: 19,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.90 : 25,703.52 = 12,994.26 : x
  2. Step 2: Convert to fraction form
    17,166.90/25,703.52 = 12,994.26/x
  3. Step 3: Cross multiply
    17,166.90x = 25,703.52 × 12,994.26
  4. Step 4: Simplify right side
    17,166.90x = 333,998,221.80
  5. Step 5: Solve for x
    x = 333,998,221.80/17,166.90
  6. Step 6: Final answer
    x = 19,455.94

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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.