Home / 19,418.67-29,123.20-8,324.10

Finding the Fourth Proportional to 19,418.67, 29,123.20 and 8,324.10

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Solution

The fourth proportional to 19,418.67, 29,123.20 and 8,324.10 is: 12,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.67 : 29,123.20 = 8,324.10 : x
  2. Step 2: Convert to fraction form
    19,418.67/29,123.20 = 8,324.10/x
  3. Step 3: Cross multiply
    19,418.67x = 29,123.20 × 8,324.10
  4. Step 4: Simplify right side
    19,418.67x = 242,424,429.12
  5. Step 5: Solve for x
    x = 242,424,429.12/19,418.67
  6. Step 6: Final answer
    x = 12,484.09

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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.