Home / 12,446.53-18,663.45-4,123.54

Finding the Fourth Proportional to 12,446.53, 18,663.45 and 4,123.54

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Solution

The fourth proportional to 12,446.53, 18,663.45 and 4,123.54 is: 6,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.53 : 18,663.45 = 4,123.54 : x
  2. Step 2: Convert to fraction form
    12,446.53/18,663.45 = 4,123.54/x
  3. Step 3: Cross multiply
    12,446.53x = 18,663.45 × 4,123.54
  4. Step 4: Simplify right side
    12,446.53x = 76,959,482.61
  5. Step 5: Solve for x
    x = 76,959,482.61/12,446.53
  6. Step 6: Final answer
    x = 6,183.21

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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.