Home / 12,846.18-19,269.27-5,445.62

Finding the Fourth Proportional to 12,846.18, 19,269.27 and 5,445.62

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Solution

The fourth proportional to 12,846.18, 19,269.27 and 5,445.62 is: 8,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.18 : 19,269.27 = 5,445.62 : x
  2. Step 2: Convert to fraction form
    12,846.18/19,269.27 = 5,445.62/x
  3. Step 3: Cross multiply
    12,846.18x = 19,269.27 × 5,445.62
  4. Step 4: Simplify right side
    12,846.18x = 104,933,025.75
  5. Step 5: Solve for x
    x = 104,933,025.75/12,846.18
  6. Step 6: Final answer
    x = 8,168.42

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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.