Home / 13,239.44-19,861.86-4,474.22

Finding the Fourth Proportional to 13,239.44, 19,861.86 and 4,474.22

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Solution

The fourth proportional to 13,239.44, 19,861.86 and 4,474.22 is: 6,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.44 : 19,861.86 = 4,474.22 : x
  2. Step 2: Convert to fraction form
    13,239.44/19,861.86 = 4,474.22/x
  3. Step 3: Cross multiply
    13,239.44x = 19,861.86 × 4,474.22
  4. Step 4: Simplify right side
    13,239.44x = 88,866,331.25
  5. Step 5: Solve for x
    x = 88,866,331.25/13,239.44
  6. Step 6: Final answer
    x = 6,712.24

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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.