Home / 10,259.25-15,388.60-3,238.98

Finding the Fourth Proportional to 10,259.25, 15,388.60 and 3,238.98

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Solution

The fourth proportional to 10,259.25, 15,388.60 and 3,238.98 is: 4,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.25 : 15,388.60 = 3,238.98 : x
  2. Step 2: Convert to fraction form
    10,259.25/15,388.60 = 3,238.98/x
  3. Step 3: Cross multiply
    10,259.25x = 15,388.60 × 3,238.98
  4. Step 4: Simplify right side
    10,259.25x = 49,843,274.49
  5. Step 5: Solve for x
    x = 49,843,274.49/10,259.25
  6. Step 6: Final answer
    x = 4,858.38

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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.