Home / 13,777.05-20,668.14-6,376.62

Finding the Fourth Proportional to 13,777.05, 20,668.14 and 6,376.62

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Solution

The fourth proportional to 13,777.05, 20,668.14 and 6,376.62 is: 9,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.05 : 20,668.14 = 6,376.62 : x
  2. Step 2: Convert to fraction form
    13,777.05/20,668.14 = 6,376.62/x
  3. Step 3: Cross multiply
    13,777.05x = 20,668.14 × 6,376.62
  4. Step 4: Simplify right side
    13,777.05x = 131,792,874.89
  5. Step 5: Solve for x
    x = 131,792,874.89/13,777.05
  6. Step 6: Final answer
    x = 9,566.12

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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.