Home / 21,463.10-29,625.24-12,963.87

Finding the Fourth Proportional to 21,463.10, 29,625.24 and 12,963.87

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Solution

The fourth proportional to 21,463.10, 29,625.24 and 12,963.87 is: 17,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.10 : 29,625.24 = 12,963.87 : x
  2. Step 2: Convert to fraction form
    21,463.10/29,625.24 = 12,963.87/x
  3. Step 3: Cross multiply
    21,463.10x = 29,625.24 × 12,963.87
  4. Step 4: Simplify right side
    21,463.10x = 384,057,760.08
  5. Step 5: Solve for x
    x = 384,057,760.08/21,463.10
  6. Step 6: Final answer
    x = 17,893.87

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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.