Home / 15,858.24-21,881.36-10,194

Finding the Fourth Proportional to 15,858.24, 21,881.36 and 10,194

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Solution

The fourth proportional to 15,858.24, 21,881.36 and 10,194 is: 14,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.24 : 21,881.36 = 10,194 : x
  2. Step 2: Convert to fraction form
    15,858.24/21,881.36 = 10,194/x
  3. Step 3: Cross multiply
    15,858.24x = 21,881.36 × 10,194
  4. Step 4: Simplify right side
    15,858.24x = 223,058,583.84
  5. Step 5: Solve for x
    x = 223,058,583.84/15,858.24
  6. Step 6: Final answer
    x = 14,065.78

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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.