Home / 21,057.17-29,058.82-11,625.67

Finding the Fourth Proportional to 21,057.17, 29,058.82 and 11,625.67

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Solution

The fourth proportional to 21,057.17, 29,058.82 and 11,625.67 is: 16,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.17 : 29,058.82 = 11,625.67 : x
  2. Step 2: Convert to fraction form
    21,057.17/29,058.82 = 11,625.67/x
  3. Step 3: Cross multiply
    21,057.17x = 29,058.82 × 11,625.67
  4. Step 4: Simplify right side
    21,057.17x = 337,828,150.20
  5. Step 5: Solve for x
    x = 337,828,150.20/21,057.17
  6. Step 6: Final answer
    x = 16,043.38

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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.