Home / 19,686.90-27,167.24-10,734.26

Finding the Fourth Proportional to 19,686.90, 27,167.24 and 10,734.26

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Solution

The fourth proportional to 19,686.90, 27,167.24 and 10,734.26 is: 14,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.90 : 27,167.24 = 10,734.26 : x
  2. Step 2: Convert to fraction form
    19,686.90/27,167.24 = 10,734.26/x
  3. Step 3: Cross multiply
    19,686.90x = 27,167.24 × 10,734.26
  4. Step 4: Simplify right side
    19,686.90x = 291,620,217.64
  5. Step 5: Solve for x
    x = 291,620,217.64/19,686.90
  6. Step 6: Final answer
    x = 14,812.91

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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.