Home / 12,562.34-18,845.55-4,242.85

Finding the Fourth Proportional to 12,562.34, 18,845.55 and 4,242.85

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Solution

The fourth proportional to 12,562.34, 18,845.55 and 4,242.85 is: 6,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.34 : 18,845.55 = 4,242.85 : x
  2. Step 2: Convert to fraction form
    12,562.34/18,845.55 = 4,242.85/x
  3. Step 3: Cross multiply
    12,562.34x = 18,845.55 × 4,242.85
  4. Step 4: Simplify right side
    12,562.34x = 79,958,794.70
  5. Step 5: Solve for x
    x = 79,958,794.70/12,562.34
  6. Step 6: Final answer
    x = 6,364.96

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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.