Home / 19,841.64-27,388.20-13,885.74

Finding the Fourth Proportional to 19,841.64, 27,388.20 and 13,885.74

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Solution

The fourth proportional to 19,841.64, 27,388.20 and 13,885.74 is: 19,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.64 : 27,388.20 = 13,885.74 : x
  2. Step 2: Convert to fraction form
    19,841.64/27,388.20 = 13,885.74/x
  3. Step 3: Cross multiply
    19,841.64x = 27,388.20 × 13,885.74
  4. Step 4: Simplify right side
    19,841.64x = 380,305,424.27
  5. Step 5: Solve for x
    x = 380,305,424.27/19,841.64
  6. Step 6: Final answer
    x = 19,167.04

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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.