Home / 11,403.46-15,737.40-6,367.72

Finding the Fourth Proportional to 11,403.46, 15,737.40 and 6,367.72

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Solution

The fourth proportional to 11,403.46, 15,737.40 and 6,367.72 is: 8,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.46 : 15,737.40 = 6,367.72 : x
  2. Step 2: Convert to fraction form
    11,403.46/15,737.40 = 6,367.72/x
  3. Step 3: Cross multiply
    11,403.46x = 15,737.40 × 6,367.72
  4. Step 4: Simplify right side
    11,403.46x = 100,211,356.73
  5. Step 5: Solve for x
    x = 100,211,356.73/11,403.46
  6. Step 6: Final answer
    x = 8,787.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.