Home / 46,136.62-69,204.97-12,857.57

Finding the Fourth Proportional to 46,136.62, 69,204.97 and 12,857.57

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Solution

The fourth proportional to 46,136.62, 69,204.97 and 12,857.57 is: 19,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,136.62 : 69,204.97 = 12,857.57 : x
  2. Step 2: Convert to fraction form
    46,136.62/69,204.97 = 12,857.57/x
  3. Step 3: Cross multiply
    46,136.62x = 69,204.97 × 12,857.57
  4. Step 4: Simplify right side
    46,136.62x = 889,807,335.81
  5. Step 5: Solve for x
    x = 889,807,335.81/46,136.62
  6. Step 6: Final answer
    x = 19,286.36

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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.