Home / 21,994.14-30,355.96-12,562.70

Finding the Fourth Proportional to 21,994.14, 30,355.96 and 12,562.70

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Solution

The fourth proportional to 21,994.14, 30,355.96 and 12,562.70 is: 17,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.14 : 30,355.96 = 12,562.70 : x
  2. Step 2: Convert to fraction form
    21,994.14/30,355.96 = 12,562.70/x
  3. Step 3: Cross multiply
    21,994.14x = 30,355.96 × 12,562.70
  4. Step 4: Simplify right side
    21,994.14x = 381,352,818.69
  5. Step 5: Solve for x
    x = 381,352,818.69/21,994.14
  6. Step 6: Final answer
    x = 17,338.84

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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.