Home / 12,877.38-19,325.79-9,423.54

Finding the Fourth Proportional to 12,877.38, 19,325.79 and 9,423.54

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Solution

The fourth proportional to 12,877.38, 19,325.79 and 9,423.54 is: 14,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.38 : 19,325.79 = 9,423.54 : x
  2. Step 2: Convert to fraction form
    12,877.38/19,325.79 = 9,423.54/x
  3. Step 3: Cross multiply
    12,877.38x = 19,325.79 × 9,423.54
  4. Step 4: Simplify right side
    12,877.38x = 182,117,355.10
  5. Step 5: Solve for x
    x = 182,117,355.10/12,877.38
  6. Step 6: Final answer
    x = 14,142.42

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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.