Home / 21,193.66-29,250.75-11,765.26

Finding the Fourth Proportional to 21,193.66, 29,250.75 and 11,765.26

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Solution

The fourth proportional to 21,193.66, 29,250.75 and 11,765.26 is: 16,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.66 : 29,250.75 = 11,765.26 : x
  2. Step 2: Convert to fraction form
    21,193.66/29,250.75 = 11,765.26/x
  3. Step 3: Cross multiply
    21,193.66x = 29,250.75 × 11,765.26
  4. Step 4: Simplify right side
    21,193.66x = 344,142,678.95
  5. Step 5: Solve for x
    x = 344,142,678.95/21,193.66
  6. Step 6: Final answer
    x = 16,238.00

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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.