Home / 21,927.54-30,260.01-11,855.98

Finding the Fourth Proportional to 21,927.54, 30,260.01 and 11,855.98

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Solution

The fourth proportional to 21,927.54, 30,260.01 and 11,855.98 is: 16,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.54 : 30,260.01 = 11,855.98 : x
  2. Step 2: Convert to fraction form
    21,927.54/30,260.01 = 11,855.98/x
  3. Step 3: Cross multiply
    21,927.54x = 30,260.01 × 11,855.98
  4. Step 4: Simplify right side
    21,927.54x = 358,761,918.74
  5. Step 5: Solve for x
    x = 358,761,918.74/21,927.54
  6. Step 6: Final answer
    x = 16,361.25

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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.