Home / 20,113.56-27,757.47-12,154.26

Finding the Fourth Proportional to 20,113.56, 27,757.47 and 12,154.26

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Solution

The fourth proportional to 20,113.56, 27,757.47 and 12,154.26 is: 16,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.56 : 27,757.47 = 12,154.26 : x
  2. Step 2: Convert to fraction form
    20,113.56/27,757.47 = 12,154.26/x
  3. Step 3: Cross multiply
    20,113.56x = 27,757.47 × 12,154.26
  4. Step 4: Simplify right side
    20,113.56x = 337,371,507.32
  5. Step 5: Solve for x
    x = 337,371,507.32/20,113.56
  6. Step 6: Final answer
    x = 16,773.34

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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.