Home / 12,031.93-18,021.16-9,238.04

Finding the Fourth Proportional to 12,031.93, 18,021.16 and 9,238.04

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Solution

The fourth proportional to 12,031.93, 18,021.16 and 9,238.04 is: 13,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.93 : 18,021.16 = 9,238.04 : x
  2. Step 2: Convert to fraction form
    12,031.93/18,021.16 = 9,238.04/x
  3. Step 3: Cross multiply
    12,031.93x = 18,021.16 × 9,238.04
  4. Step 4: Simplify right side
    12,031.93x = 166,480,196.93
  5. Step 5: Solve for x
    x = 166,480,196.93/12,031.93
  6. Step 6: Final answer
    x = 13,836.53

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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.