Home / 11,966.85-16,514.67-7,187.55

Finding the Fourth Proportional to 11,966.85, 16,514.67 and 7,187.55

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Solution

The fourth proportional to 11,966.85, 16,514.67 and 7,187.55 is: 9,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.85 : 16,514.67 = 7,187.55 : x
  2. Step 2: Convert to fraction form
    11,966.85/16,514.67 = 7,187.55/x
  3. Step 3: Cross multiply
    11,966.85x = 16,514.67 × 7,187.55
  4. Step 4: Simplify right side
    11,966.85x = 118,700,016.36
  5. Step 5: Solve for x
    x = 118,700,016.36/11,966.85
  6. Step 6: Final answer
    x = 9,919.07

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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.