Home / 10,639.62-15,960.51-4,071.33

Finding the Fourth Proportional to 10,639.62, 15,960.51 and 4,071.33

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Solution

The fourth proportional to 10,639.62, 15,960.51 and 4,071.33 is: 6,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.62 : 15,960.51 = 4,071.33 : x
  2. Step 2: Convert to fraction form
    10,639.62/15,960.51 = 4,071.33/x
  3. Step 3: Cross multiply
    10,639.62x = 15,960.51 × 4,071.33
  4. Step 4: Simplify right side
    10,639.62x = 64,980,503.18
  5. Step 5: Solve for x
    x = 64,980,503.18/10,639.62
  6. Step 6: Final answer
    x = 6,107.41

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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.