Home / 21,537.78-29,722.59-12,592.14

Finding the Fourth Proportional to 21,537.78, 29,722.59 and 12,592.14

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Solution

The fourth proportional to 21,537.78, 29,722.59 and 12,592.14 is: 17,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.78 : 29,722.59 = 12,592.14 : x
  2. Step 2: Convert to fraction form
    21,537.78/29,722.59 = 12,592.14/x
  3. Step 3: Cross multiply
    21,537.78x = 29,722.59 × 12,592.14
  4. Step 4: Simplify right side
    21,537.78x = 374,271,014.44
  5. Step 5: Solve for x
    x = 374,271,014.44/21,537.78
  6. Step 6: Final answer
    x = 17,377.42

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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.