Home / 21,092.32-29,106.48-11,532.02

Finding the Fourth Proportional to 21,092.32, 29,106.48 and 11,532.02

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Solution

The fourth proportional to 21,092.32, 29,106.48 and 11,532.02 is: 15,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.32 : 29,106.48 = 11,532.02 : x
  2. Step 2: Convert to fraction form
    21,092.32/29,106.48 = 11,532.02/x
  3. Step 3: Cross multiply
    21,092.32x = 29,106.48 × 11,532.02
  4. Step 4: Simplify right side
    21,092.32x = 335,656,509.49
  5. Step 5: Solve for x
    x = 335,656,509.49/21,092.32
  6. Step 6: Final answer
    x = 15,913.68

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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.