Home / 20,076.02-30,093.98-13,418.13

Finding the Fourth Proportional to 20,076.02, 30,093.98 and 13,418.13

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Solution

The fourth proportional to 20,076.02, 30,093.98 and 13,418.13 is: 20,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.02 : 30,093.98 = 13,418.13 : x
  2. Step 2: Convert to fraction form
    20,076.02/30,093.98 = 13,418.13/x
  3. Step 3: Cross multiply
    20,076.02x = 30,093.98 × 13,418.13
  4. Step 4: Simplify right side
    20,076.02x = 403,804,935.86
  5. Step 5: Solve for x
    x = 403,804,935.86/20,076.02
  6. Step 6: Final answer
    x = 20,113.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.