Home / 21,395.36-29,523.92-11,962.10

Finding the Fourth Proportional to 21,395.36, 29,523.92 and 11,962.10

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Solution

The fourth proportional to 21,395.36, 29,523.92 and 11,962.10 is: 16,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.36 : 29,523.92 = 11,962.10 : x
  2. Step 2: Convert to fraction form
    21,395.36/29,523.92 = 11,962.10/x
  3. Step 3: Cross multiply
    21,395.36x = 29,523.92 × 11,962.10
  4. Step 4: Simplify right side
    21,395.36x = 353,168,083.43
  5. Step 5: Solve for x
    x = 353,168,083.43/21,395.36
  6. Step 6: Final answer
    x = 16,506.76

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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.