Home / 21,193.88-29,248.16-11,763.05

Finding the Fourth Proportional to 21,193.88, 29,248.16 and 11,763.05

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Solution

The fourth proportional to 21,193.88, 29,248.16 and 11,763.05 is: 16,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.88 : 29,248.16 = 11,763.05 : x
  2. Step 2: Convert to fraction form
    21,193.88/29,248.16 = 11,763.05/x
  3. Step 3: Cross multiply
    21,193.88x = 29,248.16 × 11,763.05
  4. Step 4: Simplify right side
    21,193.88x = 344,047,363.43
  5. Step 5: Solve for x
    x = 344,047,363.43/21,193.88
  6. Step 6: Final answer
    x = 16,233.34

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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.