Home / 13,261.48-19,896.26-8,260.52

Finding the Fourth Proportional to 13,261.48, 19,896.26 and 8,260.52

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Solution

The fourth proportional to 13,261.48, 19,896.26 and 8,260.52 is: 12,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.48 : 19,896.26 = 8,260.52 : x
  2. Step 2: Convert to fraction form
    13,261.48/19,896.26 = 8,260.52/x
  3. Step 3: Cross multiply
    13,261.48x = 19,896.26 × 8,260.52
  4. Step 4: Simplify right side
    13,261.48x = 164,353,453.66
  5. Step 5: Solve for x
    x = 164,353,453.66/13,261.48
  6. Step 6: Final answer
    x = 12,393.30

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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.