Home / 12,644.10-19,002.60-11,040.30

Finding the Fourth Proportional to 12,644.10, 19,002.60 and 11,040.30

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Solution

The fourth proportional to 12,644.10, 19,002.60 and 11,040.30 is: 16,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.10 : 19,002.60 = 11,040.30 : x
  2. Step 2: Convert to fraction form
    12,644.10/19,002.60 = 11,040.30/x
  3. Step 3: Cross multiply
    12,644.10x = 19,002.60 × 11,040.30
  4. Step 4: Simplify right side
    12,644.10x = 209,794,404.78
  5. Step 5: Solve for x
    x = 209,794,404.78/12,644.10
  6. Step 6: Final answer
    x = 16,592.28

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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.