Home / 13,007.28-19,508.72-3,646.32

Finding the Fourth Proportional to 13,007.28, 19,508.72 and 3,646.32

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Solution

The fourth proportional to 13,007.28, 19,508.72 and 3,646.32 is: 5,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.28 : 19,508.72 = 3,646.32 : x
  2. Step 2: Convert to fraction form
    13,007.28/19,508.72 = 3,646.32/x
  3. Step 3: Cross multiply
    13,007.28x = 19,508.72 × 3,646.32
  4. Step 4: Simplify right side
    13,007.28x = 71,135,035.91
  5. Step 5: Solve for x
    x = 71,135,035.91/13,007.28
  6. Step 6: Final answer
    x = 5,468.86

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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.