Home / 20,264.34-27,964.82-11,311.84

Finding the Fourth Proportional to 20,264.34, 27,964.82 and 11,311.84

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Solution

The fourth proportional to 20,264.34, 27,964.82 and 11,311.84 is: 15,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.34 : 27,964.82 = 11,311.84 : x
  2. Step 2: Convert to fraction form
    20,264.34/27,964.82 = 11,311.84/x
  3. Step 3: Cross multiply
    20,264.34x = 27,964.82 × 11,311.84
  4. Step 4: Simplify right side
    20,264.34x = 316,333,569.47
  5. Step 5: Solve for x
    x = 316,333,569.47/20,264.34
  6. Step 6: Final answer
    x = 15,610.36

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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.