Home / 13,346.43-20,022.39-4,460.72

Finding the Fourth Proportional to 13,346.43, 20,022.39 and 4,460.72

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Solution

The fourth proportional to 13,346.43, 20,022.39 and 4,460.72 is: 6,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.43 : 20,022.39 = 4,460.72 : x
  2. Step 2: Convert to fraction form
    13,346.43/20,022.39 = 4,460.72/x
  3. Step 3: Cross multiply
    13,346.43x = 20,022.39 × 4,460.72
  4. Step 4: Simplify right side
    13,346.43x = 89,314,175.41
  5. Step 5: Solve for x
    x = 89,314,175.41/13,346.43
  6. Step 6: Final answer
    x = 6,691.99

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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.