Home / 21,998.41-30,350.67-12,437.37

Finding the Fourth Proportional to 21,998.41, 30,350.67 and 12,437.37

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Solution

The fourth proportional to 21,998.41, 30,350.67 and 12,437.37 is: 17,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.41 : 30,350.67 = 12,437.37 : x
  2. Step 2: Convert to fraction form
    21,998.41/30,350.67 = 12,437.37/x
  3. Step 3: Cross multiply
    21,998.41x = 30,350.67 × 12,437.37
  4. Step 4: Simplify right side
    21,998.41x = 377,482,512.54
  5. Step 5: Solve for x
    x = 377,482,512.54/21,998.41
  6. Step 6: Final answer
    x = 17,159.54

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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.