Home / 22,631.44-31,235.14-13,200

Finding the Fourth Proportional to 22,631.44, 31,235.14 and 13,200

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Solution

The fourth proportional to 22,631.44, 31,235.14 and 13,200 is: 18,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.44 : 31,235.14 = 13,200 : x
  2. Step 2: Convert to fraction form
    22,631.44/31,235.14 = 13,200/x
  3. Step 3: Cross multiply
    22,631.44x = 31,235.14 × 13,200
  4. Step 4: Simplify right side
    22,631.44x = 412,303,848
  5. Step 5: Solve for x
    x = 412,303,848/22,631.44
  6. Step 6: Final answer
    x = 18,218.19

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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.