Home / 12,462.14-18,686.21-4,137.70

Finding the Fourth Proportional to 12,462.14, 18,686.21 and 4,137.70

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Solution

The fourth proportional to 12,462.14, 18,686.21 and 4,137.70 is: 6,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.14 : 18,686.21 = 4,137.70 : x
  2. Step 2: Convert to fraction form
    12,462.14/18,686.21 = 4,137.70/x
  3. Step 3: Cross multiply
    12,462.14x = 18,686.21 × 4,137.70
  4. Step 4: Simplify right side
    12,462.14x = 77,317,943.98
  5. Step 5: Solve for x
    x = 77,317,943.98/12,462.14
  6. Step 6: Final answer
    x = 6,204.23

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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.