Home / 12,913.38-19,367.52-3,550.98

Finding the Fourth Proportional to 12,913.38, 19,367.52 and 3,550.98

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Solution

The fourth proportional to 12,913.38, 19,367.52 and 3,550.98 is: 5,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.38 : 19,367.52 = 3,550.98 : x
  2. Step 2: Convert to fraction form
    12,913.38/19,367.52 = 3,550.98/x
  3. Step 3: Cross multiply
    12,913.38x = 19,367.52 × 3,550.98
  4. Step 4: Simplify right side
    12,913.38x = 68,773,676.17
  5. Step 5: Solve for x
    x = 68,773,676.17/12,913.38
  6. Step 6: Final answer
    x = 5,325.77

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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.