Home / 16,624.72-24,936.88-4,778.78

Finding the Fourth Proportional to 16,624.72, 24,936.88 and 4,778.78

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Solution

The fourth proportional to 16,624.72, 24,936.88 and 4,778.78 is: 7,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.72 : 24,936.88 = 4,778.78 : x
  2. Step 2: Convert to fraction form
    16,624.72/24,936.88 = 4,778.78/x
  3. Step 3: Cross multiply
    16,624.72x = 24,936.88 × 4,778.78
  4. Step 4: Simplify right side
    16,624.72x = 119,167,863.41
  5. Step 5: Solve for x
    x = 119,167,863.41/16,624.72
  6. Step 6: Final answer
    x = 7,168.11

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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.