Home / 21,254.16-29,330.60-11,694.63

Finding the Fourth Proportional to 21,254.16, 29,330.60 and 11,694.63

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Solution

The fourth proportional to 21,254.16, 29,330.60 and 11,694.63 is: 16,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.16 : 29,330.60 = 11,694.63 : x
  2. Step 2: Convert to fraction form
    21,254.16/29,330.60 = 11,694.63/x
  3. Step 3: Cross multiply
    21,254.16x = 29,330.60 × 11,694.63
  4. Step 4: Simplify right side
    21,254.16x = 343,010,397.26
  5. Step 5: Solve for x
    x = 343,010,397.26/21,254.16
  6. Step 6: Final answer
    x = 16,138.51

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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.