Home / 13,805.60-20,710.24-4,443.36

Finding the Fourth Proportional to 13,805.60, 20,710.24 and 4,443.36

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Solution

The fourth proportional to 13,805.60, 20,710.24 and 4,443.36 is: 6,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.60 : 20,710.24 = 4,443.36 : x
  2. Step 2: Convert to fraction form
    13,805.60/20,710.24 = 4,443.36/x
  3. Step 3: Cross multiply
    13,805.60x = 20,710.24 × 4,443.36
  4. Step 4: Simplify right side
    13,805.60x = 92,023,052.01
  5. Step 5: Solve for x
    x = 92,023,052.01/13,805.60
  6. Step 6: Final answer
    x = 6,665.63

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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.