Home / 13,934.34-19,229.01-8,481.36

Finding the Fourth Proportional to 13,934.34, 19,229.01 and 8,481.36

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Solution

The fourth proportional to 13,934.34, 19,229.01 and 8,481.36 is: 11,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.34 : 19,229.01 = 8,481.36 : x
  2. Step 2: Convert to fraction form
    13,934.34/19,229.01 = 8,481.36/x
  3. Step 3: Cross multiply
    13,934.34x = 19,229.01 × 8,481.36
  4. Step 4: Simplify right side
    13,934.34x = 163,088,156.25
  5. Step 5: Solve for x
    x = 163,088,156.25/13,934.34
  6. Step 6: Final answer
    x = 11,704.05

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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.