Home / 10,944.80-16,419.36-3,153.68

Finding the Fourth Proportional to 10,944.80, 16,419.36 and 3,153.68

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Solution

The fourth proportional to 10,944.80, 16,419.36 and 3,153.68 is: 4,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.80 : 16,419.36 = 3,153.68 : x
  2. Step 2: Convert to fraction form
    10,944.80/16,419.36 = 3,153.68/x
  3. Step 3: Cross multiply
    10,944.80x = 16,419.36 × 3,153.68
  4. Step 4: Simplify right side
    10,944.80x = 51,781,407.24
  5. Step 5: Solve for x
    x = 51,781,407.24/10,944.80
  6. Step 6: Final answer
    x = 4,731.14

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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.