Home / 16,555.20-24,832.78-4,243.20

Finding the Fourth Proportional to 16,555.20, 24,832.78 and 4,243.20

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Solution

The fourth proportional to 16,555.20, 24,832.78 and 4,243.20 is: 6,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.20 : 24,832.78 = 4,243.20 : x
  2. Step 2: Convert to fraction form
    16,555.20/24,832.78 = 4,243.20/x
  3. Step 3: Cross multiply
    16,555.20x = 24,832.78 × 4,243.20
  4. Step 4: Simplify right side
    16,555.20x = 105,370,452.10
  5. Step 5: Solve for x
    x = 105,370,452.10/16,555.20
  6. Step 6: Final answer
    x = 6,364.79

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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.