Home / 12,650.16-18,973.08-3,414

Finding the Fourth Proportional to 12,650.16, 18,973.08 and 3,414

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Solution

The fourth proportional to 12,650.16, 18,973.08 and 3,414 is: 5,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.16 : 18,973.08 = 3,414 : x
  2. Step 2: Convert to fraction form
    12,650.16/18,973.08 = 3,414/x
  3. Step 3: Cross multiply
    12,650.16x = 18,973.08 × 3,414
  4. Step 4: Simplify right side
    12,650.16x = 64,774,095.12
  5. Step 5: Solve for x
    x = 64,774,095.12/12,650.16
  6. Step 6: Final answer
    x = 5,120.42

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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.