Home / 10,578.42-15,867.81-4,007.70

Finding the Fourth Proportional to 10,578.42, 15,867.81 and 4,007.70

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Solution

The fourth proportional to 10,578.42, 15,867.81 and 4,007.70 is: 6,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.42 : 15,867.81 = 4,007.70 : x
  2. Step 2: Convert to fraction form
    10,578.42/15,867.81 = 4,007.70/x
  3. Step 3: Cross multiply
    10,578.42x = 15,867.81 × 4,007.70
  4. Step 4: Simplify right side
    10,578.42x = 63,593,422.14
  5. Step 5: Solve for x
    x = 63,593,422.14/10,578.42
  6. Step 6: Final answer
    x = 6,011.62

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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.