Home / 21,042.96-29,038.41-11,611.32

Finding the Fourth Proportional to 21,042.96, 29,038.41 and 11,611.32

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Solution

The fourth proportional to 21,042.96, 29,038.41 and 11,611.32 is: 16,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.96 : 29,038.41 = 11,611.32 : x
  2. Step 2: Convert to fraction form
    21,042.96/29,038.41 = 11,611.32/x
  3. Step 3: Cross multiply
    21,042.96x = 29,038.41 × 11,611.32
  4. Step 4: Simplify right side
    21,042.96x = 337,174,270.80
  5. Step 5: Solve for x
    x = 337,174,270.80/21,042.96
  6. Step 6: Final answer
    x = 16,023.14

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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.