Home / 21,432.63-29,576.97-12,001.17

Finding the Fourth Proportional to 21,432.63, 29,576.97 and 12,001.17

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Solution

The fourth proportional to 21,432.63, 29,576.97 and 12,001.17 is: 16,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.63 : 29,576.97 = 12,001.17 : x
  2. Step 2: Convert to fraction form
    21,432.63/29,576.97 = 12,001.17/x
  3. Step 3: Cross multiply
    21,432.63x = 29,576.97 × 12,001.17
  4. Step 4: Simplify right side
    21,432.63x = 354,958,245.05
  5. Step 5: Solve for x
    x = 354,958,245.05/21,432.63
  6. Step 6: Final answer
    x = 16,561.58

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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.