Home / 12,694.15-19,041.23-4,376.55

Finding the Fourth Proportional to 12,694.15, 19,041.23 and 4,376.55

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Solution

The fourth proportional to 12,694.15, 19,041.23 and 4,376.55 is: 6,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.15 : 19,041.23 = 4,376.55 : x
  2. Step 2: Convert to fraction form
    12,694.15/19,041.23 = 4,376.55/x
  3. Step 3: Cross multiply
    12,694.15x = 19,041.23 × 4,376.55
  4. Step 4: Simplify right side
    12,694.15x = 83,334,845.78
  5. Step 5: Solve for x
    x = 83,334,845.78/12,694.15
  6. Step 6: Final answer
    x = 6,564.82

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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.