Home / 21,042.29-29,038.52-11,611.19

Finding the Fourth Proportional to 21,042.29, 29,038.52 and 11,611.19

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Solution

The fourth proportional to 21,042.29, 29,038.52 and 11,611.19 is: 16,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.29 : 29,038.52 = 11,611.19 : x
  2. Step 2: Convert to fraction form
    21,042.29/29,038.52 = 11,611.19/x
  3. Step 3: Cross multiply
    21,042.29x = 29,038.52 × 11,611.19
  4. Step 4: Simplify right side
    21,042.29x = 337,171,714.98
  5. Step 5: Solve for x
    x = 337,171,714.98/21,042.29
  6. Step 6: Final answer
    x = 16,023.53

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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.