Home / 11,686.06-17,525.04-8,389.36

Finding the Fourth Proportional to 11,686.06, 17,525.04 and 8,389.36

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Solution

The fourth proportional to 11,686.06, 17,525.04 and 8,389.36 is: 12,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.06 : 17,525.04 = 8,389.36 : x
  2. Step 2: Convert to fraction form
    11,686.06/17,525.04 = 8,389.36/x
  3. Step 3: Cross multiply
    11,686.06x = 17,525.04 × 8,389.36
  4. Step 4: Simplify right side
    11,686.06x = 147,023,869.57
  5. Step 5: Solve for x
    x = 147,023,869.57/11,686.06
  6. Step 6: Final answer
    x = 12,581.13

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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.