Home / 10,936.56-15,092.28-6,459.80

Finding the Fourth Proportional to 10,936.56, 15,092.28 and 6,459.80

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Solution

The fourth proportional to 10,936.56, 15,092.28 and 6,459.80 is: 8,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.56 : 15,092.28 = 6,459.80 : x
  2. Step 2: Convert to fraction form
    10,936.56/15,092.28 = 6,459.80/x
  3. Step 3: Cross multiply
    10,936.56x = 15,092.28 × 6,459.80
  4. Step 4: Simplify right side
    10,936.56x = 97,493,110.34
  5. Step 5: Solve for x
    x = 97,493,110.34/10,936.56
  6. Step 6: Final answer
    x = 8,914.42

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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.