Home / 11,414.40-17,107.02-7,521.54

Finding the Fourth Proportional to 11,414.40, 17,107.02 and 7,521.54

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Solution

The fourth proportional to 11,414.40, 17,107.02 and 7,521.54 is: 11,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.40 : 17,107.02 = 7,521.54 : x
  2. Step 2: Convert to fraction form
    11,414.40/17,107.02 = 7,521.54/x
  3. Step 3: Cross multiply
    11,414.40x = 17,107.02 × 7,521.54
  4. Step 4: Simplify right side
    11,414.40x = 128,671,135.21
  5. Step 5: Solve for x
    x = 128,671,135.21/11,414.40
  6. Step 6: Final answer
    x = 11,272.70

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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.