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Finding the Fourth Proportional to 9,361.91, 14,039.08 and 4,680.11

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Solution

The fourth proportional to 9,361.91, 14,039.08 and 4,680.11 is: 7,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.91 : 14,039.08 = 4,680.11 : x
  2. Step 2: Convert to fraction form
    9,361.91/14,039.08 = 4,680.11/x
  3. Step 3: Cross multiply
    9,361.91x = 14,039.08 × 4,680.11
  4. Step 4: Simplify right side
    9,361.91x = 65,704,438.70
  5. Step 5: Solve for x
    x = 65,704,438.70/9,361.91
  6. Step 6: Final answer
    x = 7,018.27

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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.