Home / 20,214.30-27,895.43-11,717.58

Finding the Fourth Proportional to 20,214.30, 27,895.43 and 11,717.58

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Solution

The fourth proportional to 20,214.30, 27,895.43 and 11,717.58 is: 16,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.30 : 27,895.43 = 11,717.58 : x
  2. Step 2: Convert to fraction form
    20,214.30/27,895.43 = 11,717.58/x
  3. Step 3: Cross multiply
    20,214.30x = 27,895.43 × 11,717.58
  4. Step 4: Simplify right side
    20,214.30x = 326,866,932.66
  5. Step 5: Solve for x
    x = 326,866,932.66/20,214.30
  6. Step 6: Final answer
    x = 16,170.08

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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.