Home / 20,316.66-28,025.71-11,817.83

Finding the Fourth Proportional to 20,316.66, 28,025.71 and 11,817.83

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Solution

The fourth proportional to 20,316.66, 28,025.71 and 11,817.83 is: 16,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.66 : 28,025.71 = 11,817.83 : x
  2. Step 2: Convert to fraction form
    20,316.66/28,025.71 = 11,817.83/x
  3. Step 3: Cross multiply
    20,316.66x = 28,025.71 × 11,817.83
  4. Step 4: Simplify right side
    20,316.66x = 331,203,056.15
  5. Step 5: Solve for x
    x = 331,203,056.15/20,316.66
  6. Step 6: Final answer
    x = 16,302.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.