Home / 19,631.97-27,091.98-10,679.31

Finding the Fourth Proportional to 19,631.97, 27,091.98 and 10,679.31

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Solution

The fourth proportional to 19,631.97, 27,091.98 and 10,679.31 is: 14,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.97 : 27,091.98 = 10,679.31 : x
  2. Step 2: Convert to fraction form
    19,631.97/27,091.98 = 10,679.31/x
  3. Step 3: Cross multiply
    19,631.97x = 27,091.98 × 10,679.31
  4. Step 4: Simplify right side
    19,631.97x = 289,323,652.93
  5. Step 5: Solve for x
    x = 289,323,652.93/19,631.97
  6. Step 6: Final answer
    x = 14,737.37

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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.