Home / 13,201.44-19,803.12-4,432.80

Finding the Fourth Proportional to 13,201.44, 19,803.12 and 4,432.80

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Solution

The fourth proportional to 13,201.44, 19,803.12 and 4,432.80 is: 6,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.44 : 19,803.12 = 4,432.80 : x
  2. Step 2: Convert to fraction form
    13,201.44/19,803.12 = 4,432.80/x
  3. Step 3: Cross multiply
    13,201.44x = 19,803.12 × 4,432.80
  4. Step 4: Simplify right side
    13,201.44x = 87,783,270.34
  5. Step 5: Solve for x
    x = 87,783,270.34/13,201.44
  6. Step 6: Final answer
    x = 6,649.52

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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.