Home / 20,447.34-30,650.49-13,060.14

Finding the Fourth Proportional to 20,447.34, 30,650.49 and 13,060.14

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Solution

The fourth proportional to 20,447.34, 30,650.49 and 13,060.14 is: 19,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447.34 : 30,650.49 = 13,060.14 : x
  2. Step 2: Convert to fraction form
    20,447.34/30,650.49 = 13,060.14/x
  3. Step 3: Cross multiply
    20,447.34x = 30,650.49 × 13,060.14
  4. Step 4: Simplify right side
    20,447.34x = 400,299,690.47
  5. Step 5: Solve for x
    x = 400,299,690.47/20,447.34
  6. Step 6: Final answer
    x = 19,577.10

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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.