Home / 10,994.55-15,173.57-6,279.54

Finding the Fourth Proportional to 10,994.55, 15,173.57 and 6,279.54

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Solution

The fourth proportional to 10,994.55, 15,173.57 and 6,279.54 is: 8,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.55 : 15,173.57 = 6,279.54 : x
  2. Step 2: Convert to fraction form
    10,994.55/15,173.57 = 6,279.54/x
  3. Step 3: Cross multiply
    10,994.55x = 15,173.57 × 6,279.54
  4. Step 4: Simplify right side
    10,994.55x = 95,283,039.76
  5. Step 5: Solve for x
    x = 95,283,039.76/10,994.55
  6. Step 6: Final answer
    x = 8,666.39

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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.