Home / 21,537.66-29,721.84-12,106.24

Finding the Fourth Proportional to 21,537.66, 29,721.84 and 12,106.24

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Solution

The fourth proportional to 21,537.66, 29,721.84 and 12,106.24 is: 16,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.66 : 29,721.84 = 12,106.24 : x
  2. Step 2: Convert to fraction form
    21,537.66/29,721.84 = 12,106.24/x
  3. Step 3: Cross multiply
    21,537.66x = 29,721.84 × 12,106.24
  4. Step 4: Simplify right side
    21,537.66x = 359,819,728.28
  5. Step 5: Solve for x
    x = 359,819,728.28/21,537.66
  6. Step 6: Final answer
    x = 16,706.54

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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.