Home / 14,119.97-19,486.37-8,532.77

Finding the Fourth Proportional to 14,119.97, 19,486.37 and 8,532.77

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Solution

The fourth proportional to 14,119.97, 19,486.37 and 8,532.77 is: 11,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.97 : 19,486.37 = 8,532.77 : x
  2. Step 2: Convert to fraction form
    14,119.97/19,486.37 = 8,532.77/x
  3. Step 3: Cross multiply
    14,119.97x = 19,486.37 × 8,532.77
  4. Step 4: Simplify right side
    14,119.97x = 166,272,713.34
  5. Step 5: Solve for x
    x = 166,272,713.34/14,119.97
  6. Step 6: Final answer
    x = 11,775.71

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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.