Home / 12,466.10-18,695.10-4,144.70

Finding the Fourth Proportional to 12,466.10, 18,695.10 and 4,144.70

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Solution

The fourth proportional to 12,466.10, 18,695.10 and 4,144.70 is: 6,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.10 : 18,695.10 = 4,144.70 : x
  2. Step 2: Convert to fraction form
    12,466.10/18,695.10 = 4,144.70/x
  3. Step 3: Cross multiply
    12,466.10x = 18,695.10 × 4,144.70
  4. Step 4: Simplify right side
    12,466.10x = 77,485,580.97
  5. Step 5: Solve for x
    x = 77,485,580.97/12,466.10
  6. Step 6: Final answer
    x = 6,215.70

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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.