Home / 13,569.21-18,731.92-9,095.88

Finding the Fourth Proportional to 13,569.21, 18,731.92 and 9,095.88

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Solution

The fourth proportional to 13,569.21, 18,731.92 and 9,095.88 is: 12,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.21 : 18,731.92 = 9,095.88 : x
  2. Step 2: Convert to fraction form
    13,569.21/18,731.92 = 9,095.88/x
  3. Step 3: Cross multiply
    13,569.21x = 18,731.92 × 9,095.88
  4. Step 4: Simplify right side
    13,569.21x = 170,383,296.49
  5. Step 5: Solve for x
    x = 170,383,296.49/13,569.21
  6. Step 6: Final answer
    x = 12,556.61

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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.