Home / 20,024.10-30,036.78-6,876.30

Finding the Fourth Proportional to 20,024.10, 30,036.78 and 6,876.30

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Solution

The fourth proportional to 20,024.10, 30,036.78 and 6,876.30 is: 10,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.10 : 30,036.78 = 6,876.30 : x
  2. Step 2: Convert to fraction form
    20,024.10/30,036.78 = 6,876.30/x
  3. Step 3: Cross multiply
    20,024.10x = 30,036.78 × 6,876.30
  4. Step 4: Simplify right side
    20,024.10x = 206,541,910.31
  5. Step 5: Solve for x
    x = 206,541,910.31/20,024.10
  6. Step 6: Final answer
    x = 10,314.67

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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.