Home / 10,947.84-16,419.20-3,550.40

Finding the Fourth Proportional to 10,947.84, 16,419.20 and 3,550.40

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Solution

The fourth proportional to 10,947.84, 16,419.20 and 3,550.40 is: 5,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.84 : 16,419.20 = 3,550.40 : x
  2. Step 2: Convert to fraction form
    10,947.84/16,419.20 = 3,550.40/x
  3. Step 3: Cross multiply
    10,947.84x = 16,419.20 × 3,550.40
  4. Step 4: Simplify right side
    10,947.84x = 58,294,727.68
  5. Step 5: Solve for x
    x = 58,294,727.68/10,947.84
  6. Step 6: Final answer
    x = 5,324.77

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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.