Home / 10,876.44-15,003.98-6,397.34

Finding the Fourth Proportional to 10,876.44, 15,003.98 and 6,397.34

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Solution

The fourth proportional to 10,876.44, 15,003.98 and 6,397.34 is: 8,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.44 : 15,003.98 = 6,397.34 : x
  2. Step 2: Convert to fraction form
    10,876.44/15,003.98 = 6,397.34/x
  3. Step 3: Cross multiply
    10,876.44x = 15,003.98 × 6,397.34
  4. Step 4: Simplify right side
    10,876.44x = 95,985,561.41
  5. Step 5: Solve for x
    x = 95,985,561.41/10,876.44
  6. Step 6: Final answer
    x = 8,825.09

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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.