Home / 21,701.37-29,935.44-12,747.23

Finding the Fourth Proportional to 21,701.37, 29,935.44 and 12,747.23

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Solution

The fourth proportional to 21,701.37, 29,935.44 and 12,747.23 is: 17,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.37 : 29,935.44 = 12,747.23 : x
  2. Step 2: Convert to fraction form
    21,701.37/29,935.44 = 12,747.23/x
  3. Step 3: Cross multiply
    21,701.37x = 29,935.44 × 12,747.23
  4. Step 4: Simplify right side
    21,701.37x = 381,593,938.83
  5. Step 5: Solve for x
    x = 381,593,938.83/21,701.37
  6. Step 6: Final answer
    x = 17,583.86

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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.