Home / 13,961.21-20,904.46-11,746.87

Finding the Fourth Proportional to 13,961.21, 20,904.46 and 11,746.87

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Solution

The fourth proportional to 13,961.21, 20,904.46 and 11,746.87 is: 17,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.21 : 20,904.46 = 11,746.87 : x
  2. Step 2: Convert to fraction form
    13,961.21/20,904.46 = 11,746.87/x
  3. Step 3: Cross multiply
    13,961.21x = 20,904.46 × 11,746.87
  4. Step 4: Simplify right side
    13,961.21x = 245,561,892.41
  5. Step 5: Solve for x
    x = 245,561,892.41/13,961.21
  6. Step 6: Final answer
    x = 17,588.88

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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.