Home / 21,902.07-30,224.85-11,966.07

Finding the Fourth Proportional to 21,902.07, 30,224.85 and 11,966.07

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Solution

The fourth proportional to 21,902.07, 30,224.85 and 11,966.07 is: 16,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.07 : 30,224.85 = 11,966.07 : x
  2. Step 2: Convert to fraction form
    21,902.07/30,224.85 = 11,966.07/x
  3. Step 3: Cross multiply
    21,902.07x = 30,224.85 × 11,966.07
  4. Step 4: Simplify right side
    21,902.07x = 361,672,670.84
  5. Step 5: Solve for x
    x = 361,672,670.84/21,902.07
  6. Step 6: Final answer
    x = 16,513.17

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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.