Home / 20,177.02-27,844.98-11,102.77

Finding the Fourth Proportional to 20,177.02, 27,844.98 and 11,102.77

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Solution

The fourth proportional to 20,177.02, 27,844.98 and 11,102.77 is: 15,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.02 : 27,844.98 = 11,102.77 : x
  2. Step 2: Convert to fraction form
    20,177.02/27,844.98 = 11,102.77/x
  3. Step 3: Cross multiply
    20,177.02x = 27,844.98 × 11,102.77
  4. Step 4: Simplify right side
    20,177.02x = 309,156,408.59
  5. Step 5: Solve for x
    x = 309,156,408.59/20,177.02
  6. Step 6: Final answer
    x = 15,322.20

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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.