Home / 13,736.24-20,605.86-4,374.06

Finding the Fourth Proportional to 13,736.24, 20,605.86 and 4,374.06

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Solution

The fourth proportional to 13,736.24, 20,605.86 and 4,374.06 is: 6,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.24 : 20,605.86 = 4,374.06 : x
  2. Step 2: Convert to fraction form
    13,736.24/20,605.86 = 4,374.06/x
  3. Step 3: Cross multiply
    13,736.24x = 20,605.86 × 4,374.06
  4. Step 4: Simplify right side
    13,736.24x = 90,131,190.72
  5. Step 5: Solve for x
    x = 90,131,190.72/13,736.24
  6. Step 6: Final answer
    x = 6,561.56

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1.5x scale

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.