Home / 12,944.88-17,868.70-11,368.32

Finding the Fourth Proportional to 12,944.88, 17,868.70 and 11,368.32

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Solution

The fourth proportional to 12,944.88, 17,868.70 and 11,368.32 is: 15,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.88 : 17,868.70 = 11,368.32 : x
  2. Step 2: Convert to fraction form
    12,944.88/17,868.70 = 11,368.32/x
  3. Step 3: Cross multiply
    12,944.88x = 17,868.70 × 11,368.32
  4. Step 4: Simplify right side
    12,944.88x = 203,137,099.58
  5. Step 5: Solve for x
    x = 203,137,099.58/12,944.88
  6. Step 6: Final answer
    x = 15,692.47

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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.