Home / 9,991.82-14,988.32-2,596.09

Finding the Fourth Proportional to 9,991.82, 14,988.32 and 2,596.09

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Solution

The fourth proportional to 9,991.82, 14,988.32 and 2,596.09 is: 3,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.82 : 14,988.32 = 2,596.09 : x
  2. Step 2: Convert to fraction form
    9,991.82/14,988.32 = 2,596.09/x
  3. Step 3: Cross multiply
    9,991.82x = 14,988.32 × 2,596.09
  4. Step 4: Simplify right side
    9,991.82x = 38,911,027.67
  5. Step 5: Solve for x
    x = 38,911,027.67/9,991.82
  6. Step 6: Final answer
    x = 3,894.29

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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.