Home / 16,405.20-24,579.45-7,622.10

Finding the Fourth Proportional to 16,405.20, 24,579.45 and 7,622.10

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Solution

The fourth proportional to 16,405.20, 24,579.45 and 7,622.10 is: 11,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.20 : 24,579.45 = 7,622.10 : x
  2. Step 2: Convert to fraction form
    16,405.20/24,579.45 = 7,622.10/x
  3. Step 3: Cross multiply
    16,405.20x = 24,579.45 × 7,622.10
  4. Step 4: Simplify right side
    16,405.20x = 187,347,025.85
  5. Step 5: Solve for x
    x = 187,347,025.85/16,405.20
  6. Step 6: Final answer
    x = 11,419.98

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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.