Home / 20,344.14-30,516.23-9,812.21

Finding the Fourth Proportional to 20,344.14, 30,516.23 and 9,812.21

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Solution

The fourth proportional to 20,344.14, 30,516.23 and 9,812.21 is: 14,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.14 : 30,516.23 = 9,812.21 : x
  2. Step 2: Convert to fraction form
    20,344.14/30,516.23 = 9,812.21/x
  3. Step 3: Cross multiply
    20,344.14x = 30,516.23 × 9,812.21
  4. Step 4: Simplify right side
    20,344.14x = 299,431,455.53
  5. Step 5: Solve for x
    x = 299,431,455.53/20,344.14
  6. Step 6: Final answer
    x = 14,718.31

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Similar ratio
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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.