Home / 10,994.81-15,173.12-6,519.56

Finding the Fourth Proportional to 10,994.81, 15,173.12 and 6,519.56

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Solution

The fourth proportional to 10,994.81, 15,173.12 and 6,519.56 is: 8,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.81 : 15,173.12 = 6,519.56 : x
  2. Step 2: Convert to fraction form
    10,994.81/15,173.12 = 6,519.56/x
  3. Step 3: Cross multiply
    10,994.81x = 15,173.12 × 6,519.56
  4. Step 4: Simplify right side
    10,994.81x = 98,922,006.66
  5. Step 5: Solve for x
    x = 98,922,006.66/10,994.81
  6. Step 6: Final answer
    x = 8,997.16

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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.