Home / 21,523.44-29,700.09-11,963.01

Finding the Fourth Proportional to 21,523.44, 29,700.09 and 11,963.01

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Solution

The fourth proportional to 21,523.44, 29,700.09 and 11,963.01 is: 16,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.44 : 29,700.09 = 11,963.01 : x
  2. Step 2: Convert to fraction form
    21,523.44/29,700.09 = 11,963.01/x
  3. Step 3: Cross multiply
    21,523.44x = 29,700.09 × 11,963.01
  4. Step 4: Simplify right side
    21,523.44x = 355,302,473.67
  5. Step 5: Solve for x
    x = 355,302,473.67/21,523.44
  6. Step 6: Final answer
    x = 16,507.70

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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.