Home / 46,143.38-69,215.10-12,863.54

Finding the Fourth Proportional to 46,143.38, 69,215.10 and 12,863.54

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Solution

The fourth proportional to 46,143.38, 69,215.10 and 12,863.54 is: 19,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,143.38 : 69,215.10 = 12,863.54 : x
  2. Step 2: Convert to fraction form
    46,143.38/69,215.10 = 12,863.54/x
  3. Step 3: Cross multiply
    46,143.38x = 69,215.10 × 12,863.54
  4. Step 4: Simplify right side
    46,143.38x = 890,351,207.45
  5. Step 5: Solve for x
    x = 890,351,207.45/46,143.38
  6. Step 6: Final answer
    x = 19,295.32

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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.