Home / 21,056.32-29,058.21-11,625.07

Finding the Fourth Proportional to 21,056.32, 29,058.21 and 11,625.07

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Solution

The fourth proportional to 21,056.32, 29,058.21 and 11,625.07 is: 16,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.32 : 29,058.21 = 11,625.07 : x
  2. Step 2: Convert to fraction form
    21,056.32/29,058.21 = 11,625.07/x
  3. Step 3: Cross multiply
    21,056.32x = 29,058.21 × 11,625.07
  4. Step 4: Simplify right side
    21,056.32x = 337,803,725.32
  5. Step 5: Solve for x
    x = 337,803,725.32/21,056.32
  6. Step 6: Final answer
    x = 16,042.87

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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.