Home / 13,259.22-18,297.05-7,289.73

Finding the Fourth Proportional to 13,259.22, 18,297.05 and 7,289.73

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Solution

The fourth proportional to 13,259.22, 18,297.05 and 7,289.73 is: 10,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.22 : 18,297.05 = 7,289.73 : x
  2. Step 2: Convert to fraction form
    13,259.22/18,297.05 = 7,289.73/x
  3. Step 3: Cross multiply
    13,259.22x = 18,297.05 × 7,289.73
  4. Step 4: Simplify right side
    13,259.22x = 133,380,600.16
  5. Step 5: Solve for x
    x = 133,380,600.16/13,259.22
  6. Step 6: Final answer
    x = 10,059.46

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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.