Home / 12,893.10-19,334.85-3,655.98

Finding the Fourth Proportional to 12,893.10, 19,334.85 and 3,655.98

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Solution

The fourth proportional to 12,893.10, 19,334.85 and 3,655.98 is: 5,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.10 : 19,334.85 = 3,655.98 : x
  2. Step 2: Convert to fraction form
    12,893.10/19,334.85 = 3,655.98/x
  3. Step 3: Cross multiply
    12,893.10x = 19,334.85 × 3,655.98
  4. Step 4: Simplify right side
    12,893.10x = 70,687,824.90
  5. Step 5: Solve for x
    x = 70,687,824.90/12,893.10
  6. Step 6: Final answer
    x = 5,482.61

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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.