Home / 19,686.56-27,167.98-10,734.44

Finding the Fourth Proportional to 19,686.56, 27,167.98 and 10,734.44

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Solution

The fourth proportional to 19,686.56, 27,167.98 and 10,734.44 is: 14,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.56 : 27,167.98 = 10,734.44 : x
  2. Step 2: Convert to fraction form
    19,686.56/27,167.98 = 10,734.44/x
  3. Step 3: Cross multiply
    19,686.56x = 27,167.98 × 10,734.44
  4. Step 4: Simplify right side
    19,686.56x = 291,633,051.23
  5. Step 5: Solve for x
    x = 291,633,051.23/19,686.56
  6. Step 6: Final answer
    x = 14,813.81

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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.