Home / 20,221.02-27,898.43-11,266.83

Finding the Fourth Proportional to 20,221.02, 27,898.43 and 11,266.83

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Solution

The fourth proportional to 20,221.02, 27,898.43 and 11,266.83 is: 15,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.02 : 27,898.43 = 11,266.83 : x
  2. Step 2: Convert to fraction form
    20,221.02/27,898.43 = 11,266.83/x
  3. Step 3: Cross multiply
    20,221.02x = 27,898.43 × 11,266.83
  4. Step 4: Simplify right side
    20,221.02x = 314,326,811.74
  5. Step 5: Solve for x
    x = 314,326,811.74/20,221.02
  6. Step 6: Final answer
    x = 15,544.56

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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.