Home / 21,650.33-29,884.25-12,701.45

Finding the Fourth Proportional to 21,650.33, 29,884.25 and 12,701.45

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Solution

The fourth proportional to 21,650.33, 29,884.25 and 12,701.45 is: 17,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.33 : 29,884.25 = 12,701.45 : x
  2. Step 2: Convert to fraction form
    21,650.33/29,884.25 = 12,701.45/x
  3. Step 3: Cross multiply
    21,650.33x = 29,884.25 × 12,701.45
  4. Step 4: Simplify right side
    21,650.33x = 379,573,307.16
  5. Step 5: Solve for x
    x = 379,573,307.16/21,650.33
  6. Step 6: Final answer
    x = 17,531.99

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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.