Home / 11,403.57-15,737.58-6,367.86

Finding the Fourth Proportional to 11,403.57, 15,737.58 and 6,367.86

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Solution

The fourth proportional to 11,403.57, 15,737.58 and 6,367.86 is: 8,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.57 : 15,737.58 = 6,367.86 : x
  2. Step 2: Convert to fraction form
    11,403.57/15,737.58 = 6,367.86/x
  3. Step 3: Cross multiply
    11,403.57x = 15,737.58 × 6,367.86
  4. Step 4: Simplify right side
    11,403.57x = 100,214,706.18
  5. Step 5: Solve for x
    x = 100,214,706.18/11,403.57
  6. Step 6: Final answer
    x = 8,788.01

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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.