Home / 20,178.24-27,846.36-11,799.60

Finding the Fourth Proportional to 20,178.24, 27,846.36 and 11,799.60

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Solution

The fourth proportional to 20,178.24, 27,846.36 and 11,799.60 is: 16,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.24 : 27,846.36 = 11,799.60 : x
  2. Step 2: Convert to fraction form
    20,178.24/27,846.36 = 11,799.60/x
  3. Step 3: Cross multiply
    20,178.24x = 27,846.36 × 11,799.60
  4. Step 4: Simplify right side
    20,178.24x = 328,575,909.46
  5. Step 5: Solve for x
    x = 328,575,909.46/20,178.24
  6. Step 6: Final answer
    x = 16,283.68

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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.