Home / 11,347.43-17,027.28-4,778.19

Finding the Fourth Proportional to 11,347.43, 17,027.28 and 4,778.19

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Solution

The fourth proportional to 11,347.43, 17,027.28 and 4,778.19 is: 7,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.43 : 17,027.28 = 4,778.19 : x
  2. Step 2: Convert to fraction form
    11,347.43/17,027.28 = 4,778.19/x
  3. Step 3: Cross multiply
    11,347.43x = 17,027.28 × 4,778.19
  4. Step 4: Simplify right side
    11,347.43x = 81,359,579.02
  5. Step 5: Solve for x
    x = 81,359,579.02/11,347.43
  6. Step 6: Final answer
    x = 7,169.87

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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.