Home / 16,680.18-25,018.41-4,200.20

Finding the Fourth Proportional to 16,680.18, 25,018.41 and 4,200.20

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Solution

The fourth proportional to 16,680.18, 25,018.41 and 4,200.20 is: 6,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.18 : 25,018.41 = 4,200.20 : x
  2. Step 2: Convert to fraction form
    16,680.18/25,018.41 = 4,200.20/x
  3. Step 3: Cross multiply
    16,680.18x = 25,018.41 × 4,200.20
  4. Step 4: Simplify right side
    16,680.18x = 105,082,325.68
  5. Step 5: Solve for x
    x = 105,082,325.68/16,680.18
  6. Step 6: Final answer
    x = 6,299.83

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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.