Home / 21,923.01-30,254.44-12,490.97

Finding the Fourth Proportional to 21,923.01, 30,254.44 and 12,490.97

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Solution

The fourth proportional to 21,923.01, 30,254.44 and 12,490.97 is: 17,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.01 : 30,254.44 = 12,490.97 : x
  2. Step 2: Convert to fraction form
    21,923.01/30,254.44 = 12,490.97/x
  3. Step 3: Cross multiply
    21,923.01x = 30,254.44 × 12,490.97
  4. Step 4: Simplify right side
    21,923.01x = 377,907,280.20
  5. Step 5: Solve for x
    x = 377,907,280.20/21,923.01
  6. Step 6: Final answer
    x = 17,237.93

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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.