Home / 20,140.10-30,181.35-14,833.70

Finding the Fourth Proportional to 20,140.10, 30,181.35 and 14,833.70

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Solution

The fourth proportional to 20,140.10, 30,181.35 and 14,833.70 is: 22,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140.10 : 30,181.35 = 14,833.70 : x
  2. Step 2: Convert to fraction form
    20,140.10/30,181.35 = 14,833.70/x
  3. Step 3: Cross multiply
    20,140.10x = 30,181.35 × 14,833.70
  4. Step 4: Simplify right side
    20,140.10x = 447,701,091.50
  5. Step 5: Solve for x
    x = 447,701,091.50/20,140.10
  6. Step 6: Final answer
    x = 22,229.34

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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.