Home / 11,986.90-16,504.27-10,190.84

Finding the Fourth Proportional to 11,986.90, 16,504.27 and 10,190.84

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Solution

The fourth proportional to 11,986.90, 16,504.27 and 10,190.84 is: 14,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.90 : 16,504.27 = 10,190.84 : x
  2. Step 2: Convert to fraction form
    11,986.90/16,504.27 = 10,190.84/x
  3. Step 3: Cross multiply
    11,986.90x = 16,504.27 × 10,190.84
  4. Step 4: Simplify right side
    11,986.90x = 168,192,374.89
  5. Step 5: Solve for x
    x = 168,192,374.89/11,986.90
  6. Step 6: Final answer
    x = 14,031.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.