Home / 13,322.91-19,984.38-4,557.90

Finding the Fourth Proportional to 13,322.91, 19,984.38 and 4,557.90

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Solution

The fourth proportional to 13,322.91, 19,984.38 and 4,557.90 is: 6,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.91 : 19,984.38 = 4,557.90 : x
  2. Step 2: Convert to fraction form
    13,322.91/19,984.38 = 4,557.90/x
  3. Step 3: Cross multiply
    13,322.91x = 19,984.38 × 4,557.90
  4. Step 4: Simplify right side
    13,322.91x = 91,086,805.60
  5. Step 5: Solve for x
    x = 91,086,805.60/13,322.91
  6. Step 6: Final answer
    x = 6,836.86

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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.