Home / 21,233.34-29,300.94-11,800.08

Finding the Fourth Proportional to 21,233.34, 29,300.94 and 11,800.08

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Solution

The fourth proportional to 21,233.34, 29,300.94 and 11,800.08 is: 16,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.34 : 29,300.94 = 11,800.08 : x
  2. Step 2: Convert to fraction form
    21,233.34/29,300.94 = 11,800.08/x
  3. Step 3: Cross multiply
    21,233.34x = 29,300.94 × 11,800.08
  4. Step 4: Simplify right side
    21,233.34x = 345,753,436.08
  5. Step 5: Solve for x
    x = 345,753,436.08/21,233.34
  6. Step 6: Final answer
    x = 16,283.52

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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.