Home / 15,717.22-23,554.36-8,686.82

Finding the Fourth Proportional to 15,717.22, 23,554.36 and 8,686.82

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Solution

The fourth proportional to 15,717.22, 23,554.36 and 8,686.82 is: 13,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.22 : 23,554.36 = 8,686.82 : x
  2. Step 2: Convert to fraction form
    15,717.22/23,554.36 = 8,686.82/x
  3. Step 3: Cross multiply
    15,717.22x = 23,554.36 × 8,686.82
  4. Step 4: Simplify right side
    15,717.22x = 204,612,485.54
  5. Step 5: Solve for x
    x = 204,612,485.54/15,717.22
  6. Step 6: Final answer
    x = 13,018.36

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1.5x scale

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.