Home / 9,127.86-13,696-3,582.67

Finding the Fourth Proportional to 9,127.86, 13,696 and 3,582.67

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Solution

The fourth proportional to 9,127.86, 13,696 and 3,582.67 is: 5,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.86 : 13,696 = 3,582.67 : x
  2. Step 2: Convert to fraction form
    9,127.86/13,696 = 3,582.67/x
  3. Step 3: Cross multiply
    9,127.86x = 13,696 × 3,582.67
  4. Step 4: Simplify right side
    9,127.86x = 49,068,248.32
  5. Step 5: Solve for x
    x = 49,068,248.32/9,127.86
  6. Step 6: Final answer
    x = 5,375.66

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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.