Home / 10,951.81-16,401.39-6,257.62

Finding the Fourth Proportional to 10,951.81, 16,401.39 and 6,257.62

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Solution

The fourth proportional to 10,951.81, 16,401.39 and 6,257.62 is: 9,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.81 : 16,401.39 = 6,257.62 : x
  2. Step 2: Convert to fraction form
    10,951.81/16,401.39 = 6,257.62/x
  3. Step 3: Cross multiply
    10,951.81x = 16,401.39 × 6,257.62
  4. Step 4: Simplify right side
    10,951.81x = 102,633,666.09
  5. Step 5: Solve for x
    x = 102,633,666.09/10,951.81
  6. Step 6: Final answer
    x = 9,371.39

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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.