Home / 10,939.67-16,409.55-4,367.51

Finding the Fourth Proportional to 10,939.67, 16,409.55 and 4,367.51

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Solution

The fourth proportional to 10,939.67, 16,409.55 and 4,367.51 is: 6,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.67 : 16,409.55 = 4,367.51 : x
  2. Step 2: Convert to fraction form
    10,939.67/16,409.55 = 4,367.51/x
  3. Step 3: Cross multiply
    10,939.67x = 16,409.55 × 4,367.51
  4. Step 4: Simplify right side
    10,939.67x = 71,668,873.72
  5. Step 5: Solve for x
    x = 71,668,873.72/10,939.67
  6. Step 6: Final answer
    x = 6,551.28

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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.