Home / 21,761.43-30,033.50-12,333.03

Finding the Fourth Proportional to 21,761.43, 30,033.50 and 12,333.03

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Solution

The fourth proportional to 21,761.43, 30,033.50 and 12,333.03 is: 17,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.43 : 30,033.50 = 12,333.03 : x
  2. Step 2: Convert to fraction form
    21,761.43/30,033.50 = 12,333.03/x
  3. Step 3: Cross multiply
    21,761.43x = 30,033.50 × 12,333.03
  4. Step 4: Simplify right side
    21,761.43x = 370,403,994.84
  5. Step 5: Solve for x
    x = 370,403,994.84/21,761.43
  6. Step 6: Final answer
    x = 17,021.12

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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.