Home / 21,035.07-29,028.33-11,603.56

Finding the Fourth Proportional to 21,035.07, 29,028.33 and 11,603.56

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Solution

The fourth proportional to 21,035.07, 29,028.33 and 11,603.56 is: 16,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.07 : 29,028.33 = 11,603.56 : x
  2. Step 2: Convert to fraction form
    21,035.07/29,028.33 = 11,603.56/x
  3. Step 3: Cross multiply
    21,035.07x = 29,028.33 × 11,603.56
  4. Step 4: Simplify right side
    21,035.07x = 336,831,968.85
  5. Step 5: Solve for x
    x = 336,831,968.85/21,035.07
  6. Step 6: Final answer
    x = 16,012.88

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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.