Home / 10,944.96-16,415.28-3,151.92

Finding the Fourth Proportional to 10,944.96, 16,415.28 and 3,151.92

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Solution

The fourth proportional to 10,944.96, 16,415.28 and 3,151.92 is: 4,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.96 : 16,415.28 = 3,151.92 : x
  2. Step 2: Convert to fraction form
    10,944.96/16,415.28 = 3,151.92/x
  3. Step 3: Cross multiply
    10,944.96x = 16,415.28 × 3,151.92
  4. Step 4: Simplify right side
    10,944.96x = 51,739,649.34
  5. Step 5: Solve for x
    x = 51,739,649.34/10,944.96
  6. Step 6: Final answer
    x = 4,727.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.