Home / 13,200.32-19,801.76-4,193.92

Finding the Fourth Proportional to 13,200.32, 19,801.76 and 4,193.92

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Solution

The fourth proportional to 13,200.32, 19,801.76 and 4,193.92 is: 6,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.32 : 19,801.76 = 4,193.92 : x
  2. Step 2: Convert to fraction form
    13,200.32/19,801.76 = 4,193.92/x
  3. Step 3: Cross multiply
    13,200.32x = 19,801.76 × 4,193.92
  4. Step 4: Simplify right side
    13,200.32x = 83,046,997.30
  5. Step 5: Solve for x
    x = 83,046,997.30/13,200.32
  6. Step 6: Final answer
    x = 6,291.29

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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.