Home / 12,454.17-18,684.41-4,136.51

Finding the Fourth Proportional to 12,454.17, 18,684.41 and 4,136.51

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Solution

The fourth proportional to 12,454.17, 18,684.41 and 4,136.51 is: 6,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.17 : 18,684.41 = 4,136.51 : x
  2. Step 2: Convert to fraction form
    12,454.17/18,684.41 = 4,136.51/x
  3. Step 3: Cross multiply
    12,454.17x = 18,684.41 × 4,136.51
  4. Step 4: Simplify right side
    12,454.17x = 77,288,274.84
  5. Step 5: Solve for x
    x = 77,288,274.84/12,454.17
  6. Step 6: Final answer
    x = 6,205.82

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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.