Home / 21,061.53-29,064.51-11,629.89

Finding the Fourth Proportional to 21,061.53, 29,064.51 and 11,629.89

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Solution

The fourth proportional to 21,061.53, 29,064.51 and 11,629.89 is: 16,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061.53 : 29,064.51 = 11,629.89 : x
  2. Step 2: Convert to fraction form
    21,061.53/29,064.51 = 11,629.89/x
  3. Step 3: Cross multiply
    21,061.53x = 29,064.51 × 11,629.89
  4. Step 4: Simplify right side
    21,061.53x = 338,017,054.20
  5. Step 5: Solve for x
    x = 338,017,054.20/21,061.53
  6. Step 6: Final answer
    x = 16,049.03

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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.