Home / 13,523.39-20,274.15-4,764.47

Finding the Fourth Proportional to 13,523.39, 20,274.15 and 4,764.47

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Solution

The fourth proportional to 13,523.39, 20,274.15 and 4,764.47 is: 7,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.39 : 20,274.15 = 4,764.47 : x
  2. Step 2: Convert to fraction form
    13,523.39/20,274.15 = 4,764.47/x
  3. Step 3: Cross multiply
    13,523.39x = 20,274.15 × 4,764.47
  4. Step 4: Simplify right side
    13,523.39x = 96,595,579.45
  5. Step 5: Solve for x
    x = 96,595,579.45/13,523.39
  6. Step 6: Final answer
    x = 7,142.85

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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.