Home / 13,600.98-18,771.30-7,633.49

Finding the Fourth Proportional to 13,600.98, 18,771.30 and 7,633.49

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Solution

The fourth proportional to 13,600.98, 18,771.30 and 7,633.49 is: 10,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.98 : 18,771.30 = 7,633.49 : x
  2. Step 2: Convert to fraction form
    13,600.98/18,771.30 = 7,633.49/x
  3. Step 3: Cross multiply
    13,600.98x = 18,771.30 × 7,633.49
  4. Step 4: Simplify right side
    13,600.98x = 143,290,436.98
  5. Step 5: Solve for x
    x = 143,290,436.98/13,600.98
  6. Step 6: Final answer
    x = 10,535.30

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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.