Home / 11,329.09-15,630.90-6,849.59

Finding the Fourth Proportional to 11,329.09, 15,630.90 and 6,849.59

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Solution

The fourth proportional to 11,329.09, 15,630.90 and 6,849.59 is: 9,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.09 : 15,630.90 = 6,849.59 : x
  2. Step 2: Convert to fraction form
    11,329.09/15,630.90 = 6,849.59/x
  3. Step 3: Cross multiply
    11,329.09x = 15,630.90 × 6,849.59
  4. Step 4: Simplify right side
    11,329.09x = 107,065,256.33
  5. Step 5: Solve for x
    x = 107,065,256.33/11,329.09
  6. Step 6: Final answer
    x = 9,450.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.