Home / 13,362.72-20,044.80-4,474.44

Finding the Fourth Proportional to 13,362.72, 20,044.80 and 4,474.44

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Solution

The fourth proportional to 13,362.72, 20,044.80 and 4,474.44 is: 6,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.72 : 20,044.80 = 4,474.44 : x
  2. Step 2: Convert to fraction form
    13,362.72/20,044.80 = 4,474.44/x
  3. Step 3: Cross multiply
    13,362.72x = 20,044.80 × 4,474.44
  4. Step 4: Simplify right side
    13,362.72x = 89,689,254.91
  5. Step 5: Solve for x
    x = 89,689,254.91/13,362.72
  6. Step 6: Final answer
    x = 6,711.90

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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.