Home / 21,523.52-29,702.43-11,963.10

Finding the Fourth Proportional to 21,523.52, 29,702.43 and 11,963.10

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Solution

The fourth proportional to 21,523.52, 29,702.43 and 11,963.10 is: 16,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.52 : 29,702.43 = 11,963.10 : x
  2. Step 2: Convert to fraction form
    21,523.52/29,702.43 = 11,963.10/x
  3. Step 3: Cross multiply
    21,523.52x = 29,702.43 × 11,963.10
  4. Step 4: Simplify right side
    21,523.52x = 355,333,230.72
  5. Step 5: Solve for x
    x = 355,333,230.72/21,523.52
  6. Step 6: Final answer
    x = 16,509.07

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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.