Home / 21,042.24-29,038.89-11,611.41

Finding the Fourth Proportional to 21,042.24, 29,038.89 and 11,611.41

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Solution

The fourth proportional to 21,042.24, 29,038.89 and 11,611.41 is: 16,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.24 : 29,038.89 = 11,611.41 : x
  2. Step 2: Convert to fraction form
    21,042.24/29,038.89 = 11,611.41/x
  3. Step 3: Cross multiply
    21,042.24x = 29,038.89 × 11,611.41
  4. Step 4: Simplify right side
    21,042.24x = 337,182,457.73
  5. Step 5: Solve for x
    x = 337,182,457.73/21,042.24
  6. Step 6: Final answer
    x = 16,024.08

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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.