Home / 20,081.64-27,714.02-11,130.60

Finding the Fourth Proportional to 20,081.64, 27,714.02 and 11,130.60

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Solution

The fourth proportional to 20,081.64, 27,714.02 and 11,130.60 is: 15,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.64 : 27,714.02 = 11,130.60 : x
  2. Step 2: Convert to fraction form
    20,081.64/27,714.02 = 11,130.60/x
  3. Step 3: Cross multiply
    20,081.64x = 27,714.02 × 11,130.60
  4. Step 4: Simplify right side
    20,081.64x = 308,473,671.01
  5. Step 5: Solve for x
    x = 308,473,671.01/20,081.64
  6. Step 6: Final answer
    x = 15,360.98

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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.