Home / 13,677.15-18,827.06-11,794.98

Finding the Fourth Proportional to 13,677.15, 18,827.06 and 11,794.98

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Solution

The fourth proportional to 13,677.15, 18,827.06 and 11,794.98 is: 16,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.15 : 18,827.06 = 11,794.98 : x
  2. Step 2: Convert to fraction form
    13,677.15/18,827.06 = 11,794.98/x
  3. Step 3: Cross multiply
    13,677.15x = 18,827.06 × 11,794.98
  4. Step 4: Simplify right side
    13,677.15x = 222,064,737.18
  5. Step 5: Solve for x
    x = 222,064,737.18/13,677.15
  6. Step 6: Final answer
    x = 16,236.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.