Home / 11,434.40-17,150.88-3,648.80

Finding the Fourth Proportional to 11,434.40, 17,150.88 and 3,648.80

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Solution

The fourth proportional to 11,434.40, 17,150.88 and 3,648.80 is: 5,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.40 : 17,150.88 = 3,648.80 : x
  2. Step 2: Convert to fraction form
    11,434.40/17,150.88 = 3,648.80/x
  3. Step 3: Cross multiply
    11,434.40x = 17,150.88 × 3,648.80
  4. Step 4: Simplify right side
    11,434.40x = 62,580,130.94
  5. Step 5: Solve for x
    x = 62,580,130.94/11,434.40
  6. Step 6: Final answer
    x = 5,472.97

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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.