Home / 16,557.20-24,835.78-4,245.20

Finding the Fourth Proportional to 16,557.20, 24,835.78 and 4,245.20

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Solution

The fourth proportional to 16,557.20, 24,835.78 and 4,245.20 is: 6,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557.20 : 24,835.78 = 4,245.20 : x
  2. Step 2: Convert to fraction form
    16,557.20/24,835.78 = 4,245.20/x
  3. Step 3: Cross multiply
    16,557.20x = 24,835.78 × 4,245.20
  4. Step 4: Simplify right side
    16,557.20x = 105,432,853.26
  5. Step 5: Solve for x
    x = 105,432,853.26/16,557.20
  6. Step 6: Final answer
    x = 6,367.79

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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.