Home / 13,805.36-20,709.96-4,442.23

Finding the Fourth Proportional to 13,805.36, 20,709.96 and 4,442.23

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Solution

The fourth proportional to 13,805.36, 20,709.96 and 4,442.23 is: 6,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.36 : 20,709.96 = 4,442.23 : x
  2. Step 2: Convert to fraction form
    13,805.36/20,709.96 = 4,442.23/x
  3. Step 3: Cross multiply
    13,805.36x = 20,709.96 × 4,442.23
  4. Step 4: Simplify right side
    13,805.36x = 91,998,405.61
  5. Step 5: Solve for x
    x = 91,998,405.61/13,805.36
  6. Step 6: Final answer
    x = 6,663.96

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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.