Home / 20,261.49-27,962.27-11,310.74

Finding the Fourth Proportional to 20,261.49, 27,962.27 and 11,310.74

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Solution

The fourth proportional to 20,261.49, 27,962.27 and 11,310.74 is: 15,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.49 : 27,962.27 = 11,310.74 : x
  2. Step 2: Convert to fraction form
    20,261.49/27,962.27 = 11,310.74/x
  3. Step 3: Cross multiply
    20,261.49x = 27,962.27 × 11,310.74
  4. Step 4: Simplify right side
    20,261.49x = 316,273,909.23
  5. Step 5: Solve for x
    x = 316,273,909.23/20,261.49
  6. Step 6: Final answer
    x = 15,609.61

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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.