Home / 21,056.90-29,058.65-11,625.46

Finding the Fourth Proportional to 21,056.90, 29,058.65 and 11,625.46

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Solution

The fourth proportional to 21,056.90, 29,058.65 and 11,625.46 is: 16,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.90 : 29,058.65 = 11,625.46 : x
  2. Step 2: Convert to fraction form
    21,056.90/29,058.65 = 11,625.46/x
  3. Step 3: Cross multiply
    21,056.90x = 29,058.65 × 11,625.46
  4. Step 4: Simplify right side
    21,056.90x = 337,820,086.05
  5. Step 5: Solve for x
    x = 337,820,086.05/21,056.90
  6. Step 6: Final answer
    x = 16,043.21

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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.