Home / 45,099.22-67,646.82-11,818.54

Finding the Fourth Proportional to 45,099.22, 67,646.82 and 11,818.54

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Solution

The fourth proportional to 45,099.22, 67,646.82 and 11,818.54 is: 17,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.22 : 67,646.82 = 11,818.54 : x
  2. Step 2: Convert to fraction form
    45,099.22/67,646.82 = 11,818.54/x
  3. Step 3: Cross multiply
    45,099.22x = 67,646.82 × 11,818.54
  4. Step 4: Simplify right side
    45,099.22x = 799,486,648.04
  5. Step 5: Solve for x
    x = 799,486,648.04/45,099.22
  6. Step 6: Final answer
    x = 17,727.28

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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.