Home / 12,425.98-18,638.36-4,634.18

Finding the Fourth Proportional to 12,425.98, 18,638.36 and 4,634.18

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Solution

The fourth proportional to 12,425.98, 18,638.36 and 4,634.18 is: 6,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.98 : 18,638.36 = 4,634.18 : x
  2. Step 2: Convert to fraction form
    12,425.98/18,638.36 = 4,634.18/x
  3. Step 3: Cross multiply
    12,425.98x = 18,638.36 × 4,634.18
  4. Step 4: Simplify right side
    12,425.98x = 86,373,515.14
  5. Step 5: Solve for x
    x = 86,373,515.14/12,425.98
  6. Step 6: Final answer
    x = 6,951.04

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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.