Home / 21,944.34-30,283.15-11,872.74

Finding the Fourth Proportional to 21,944.34, 30,283.15 and 11,872.74

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Solution

The fourth proportional to 21,944.34, 30,283.15 and 11,872.74 is: 16,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.34 : 30,283.15 = 11,872.74 : x
  2. Step 2: Convert to fraction form
    21,944.34/30,283.15 = 11,872.74/x
  3. Step 3: Cross multiply
    21,944.34x = 30,283.15 × 11,872.74
  4. Step 4: Simplify right side
    21,944.34x = 359,543,966.33
  5. Step 5: Solve for x
    x = 359,543,966.33/21,944.34
  6. Step 6: Final answer
    x = 16,384.36

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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.