Home / 13,608.01-20,412.29-3,747.61

Finding the Fourth Proportional to 13,608.01, 20,412.29 and 3,747.61

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Solution

The fourth proportional to 13,608.01, 20,412.29 and 3,747.61 is: 5,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.01 : 20,412.29 = 3,747.61 : x
  2. Step 2: Convert to fraction form
    13,608.01/20,412.29 = 3,747.61/x
  3. Step 3: Cross multiply
    13,608.01x = 20,412.29 × 3,747.61
  4. Step 4: Simplify right side
    13,608.01x = 76,497,302.13
  5. Step 5: Solve for x
    x = 76,497,302.13/13,608.01
  6. Step 6: Final answer
    x = 5,621.49

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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.