Home / 13,343.52-20,016.30-4,578.36

Finding the Fourth Proportional to 13,343.52, 20,016.30 and 4,578.36

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Solution

The fourth proportional to 13,343.52, 20,016.30 and 4,578.36 is: 6,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.52 : 20,016.30 = 4,578.36 : x
  2. Step 2: Convert to fraction form
    13,343.52/20,016.30 = 4,578.36/x
  3. Step 3: Cross multiply
    13,343.52x = 20,016.30 × 4,578.36
  4. Step 4: Simplify right side
    13,343.52x = 91,641,827.27
  5. Step 5: Solve for x
    x = 91,641,827.27/13,343.52
  6. Step 6: Final answer
    x = 6,867.89

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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.