Home / 20,119.53-27,774.25-12,057.02

Finding the Fourth Proportional to 20,119.53, 27,774.25 and 12,057.02

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Solution

The fourth proportional to 20,119.53, 27,774.25 and 12,057.02 is: 16,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.53 : 27,774.25 = 12,057.02 : x
  2. Step 2: Convert to fraction form
    20,119.53/27,774.25 = 12,057.02/x
  3. Step 3: Cross multiply
    20,119.53x = 27,774.25 × 12,057.02
  4. Step 4: Simplify right side
    20,119.53x = 334,874,518.72
  5. Step 5: Solve for x
    x = 334,874,518.72/20,119.53
  6. Step 6: Final answer
    x = 16,644.25

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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.