Home / 34,138.98-51,222.11-11,968.25

Finding the Fourth Proportional to 34,138.98, 51,222.11 and 11,968.25

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Solution

The fourth proportional to 34,138.98, 51,222.11 and 11,968.25 is: 17,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.98 : 51,222.11 = 11,968.25 : x
  2. Step 2: Convert to fraction form
    34,138.98/51,222.11 = 11,968.25/x
  3. Step 3: Cross multiply
    34,138.98x = 51,222.11 × 11,968.25
  4. Step 4: Simplify right side
    34,138.98x = 613,038,702.06
  5. Step 5: Solve for x
    x = 613,038,702.06/34,138.98
  6. Step 6: Final answer
    x = 17,957.15

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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.