Home / 9,639.62-13,310.21-7,397.94

Finding the Fourth Proportional to 9,639.62, 13,310.21 and 7,397.94

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Solution

The fourth proportional to 9,639.62, 13,310.21 and 7,397.94 is: 10,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.62 : 13,310.21 = 7,397.94 : x
  2. Step 2: Convert to fraction form
    9,639.62/13,310.21 = 7,397.94/x
  3. Step 3: Cross multiply
    9,639.62x = 13,310.21 × 7,397.94
  4. Step 4: Simplify right side
    9,639.62x = 98,468,097.98
  5. Step 5: Solve for x
    x = 98,468,097.98/9,639.62
  6. Step 6: Final answer
    x = 10,214.94

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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.