Home / 13,447.38-20,171.14-4,682.28

Finding the Fourth Proportional to 13,447.38, 20,171.14 and 4,682.28

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Solution

The fourth proportional to 13,447.38, 20,171.14 and 4,682.28 is: 7,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.38 : 20,171.14 = 4,682.28 : x
  2. Step 2: Convert to fraction form
    13,447.38/20,171.14 = 4,682.28/x
  3. Step 3: Cross multiply
    13,447.38x = 20,171.14 × 4,682.28
  4. Step 4: Simplify right side
    13,447.38x = 94,446,925.40
  5. Step 5: Solve for x
    x = 94,446,925.40/13,447.38
  6. Step 6: Final answer
    x = 7,023.44

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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.