Home / 21,933.77-30,260.70-12,496.86

Finding the Fourth Proportional to 21,933.77, 30,260.70 and 12,496.86

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Solution

The fourth proportional to 21,933.77, 30,260.70 and 12,496.86 is: 17,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.77 : 30,260.70 = 12,496.86 : x
  2. Step 2: Convert to fraction form
    21,933.77/30,260.70 = 12,496.86/x
  3. Step 3: Cross multiply
    21,933.77x = 30,260.70 × 12,496.86
  4. Step 4: Simplify right side
    21,933.77x = 378,163,731.40
  5. Step 5: Solve for x
    x = 378,163,731.40/21,933.77
  6. Step 6: Final answer
    x = 17,241.17

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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.