Home / 20,316.68-30,401.14-16,773.74

Finding the Fourth Proportional to 20,316.68, 30,401.14 and 16,773.74

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Solution

The fourth proportional to 20,316.68, 30,401.14 and 16,773.74 is: 25,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.68 : 30,401.14 = 16,773.74 : x
  2. Step 2: Convert to fraction form
    20,316.68/30,401.14 = 16,773.74/x
  3. Step 3: Cross multiply
    20,316.68x = 30,401.14 × 16,773.74
  4. Step 4: Simplify right side
    20,316.68x = 509,940,818.06
  5. Step 5: Solve for x
    x = 509,940,818.06/20,316.68
  6. Step 6: Final answer
    x = 25,099.61

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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.