Home / 10,947.16-16,419.19-3,551.68

Finding the Fourth Proportional to 10,947.16, 16,419.19 and 3,551.68

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Solution

The fourth proportional to 10,947.16, 16,419.19 and 3,551.68 is: 5,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.16 : 16,419.19 = 3,551.68 : x
  2. Step 2: Convert to fraction form
    10,947.16/16,419.19 = 3,551.68/x
  3. Step 3: Cross multiply
    10,947.16x = 16,419.19 × 3,551.68
  4. Step 4: Simplify right side
    10,947.16x = 58,315,708.74
  5. Step 5: Solve for x
    x = 58,315,708.74/10,947.16
  6. Step 6: Final answer
    x = 5,327.02

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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.