Home / 12,801.28-19,207.48-4,487.24

Finding the Fourth Proportional to 12,801.28, 19,207.48 and 4,487.24

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Solution

The fourth proportional to 12,801.28, 19,207.48 and 4,487.24 is: 6,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.28 : 19,207.48 = 4,487.24 : x
  2. Step 2: Convert to fraction form
    12,801.28/19,207.48 = 4,487.24/x
  3. Step 3: Cross multiply
    12,801.28x = 19,207.48 × 4,487.24
  4. Step 4: Simplify right side
    12,801.28x = 86,188,572.56
  5. Step 5: Solve for x
    x = 86,188,572.56/12,801.28
  6. Step 6: Final answer
    x = 6,732.81

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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.