Home / 10,926.88-15,081.03-6,450.34

Finding the Fourth Proportional to 10,926.88, 15,081.03 and 6,450.34

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Solution

The fourth proportional to 10,926.88, 15,081.03 and 6,450.34 is: 8,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.88 : 15,081.03 = 6,450.34 : x
  2. Step 2: Convert to fraction form
    10,926.88/15,081.03 = 6,450.34/x
  3. Step 3: Cross multiply
    10,926.88x = 15,081.03 × 6,450.34
  4. Step 4: Simplify right side
    10,926.88x = 97,277,771.05
  5. Step 5: Solve for x
    x = 97,277,771.05/10,926.88
  6. Step 6: Final answer
    x = 8,902.61

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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.