Home / 10,367.20-15,550.94-2,971.90

Finding the Fourth Proportional to 10,367.20, 15,550.94 and 2,971.90

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Solution

The fourth proportional to 10,367.20, 15,550.94 and 2,971.90 is: 4,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.20 : 15,550.94 = 2,971.90 : x
  2. Step 2: Convert to fraction form
    10,367.20/15,550.94 = 2,971.90/x
  3. Step 3: Cross multiply
    10,367.20x = 15,550.94 × 2,971.90
  4. Step 4: Simplify right side
    10,367.20x = 46,215,838.59
  5. Step 5: Solve for x
    x = 46,215,838.59/10,367.20
  6. Step 6: Final answer
    x = 4,457.89

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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.