Home / 13,132-19,686.95-6,108.45

Finding the Fourth Proportional to 13,132, 19,686.95 and 6,108.45

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Solution

The fourth proportional to 13,132, 19,686.95 and 6,108.45 is: 9,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132 : 19,686.95 = 6,108.45 : x
  2. Step 2: Convert to fraction form
    13,132/19,686.95 = 6,108.45/x
  3. Step 3: Cross multiply
    13,132x = 19,686.95 × 6,108.45
  4. Step 4: Simplify right side
    13,132x = 120,256,749.73
  5. Step 5: Solve for x
    x = 120,256,749.73/13,132
  6. Step 6: Final answer
    x = 9,157.54

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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.