Home / 21,810.06-30,096.54-12,251.25

Finding the Fourth Proportional to 21,810.06, 30,096.54 and 12,251.25

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Solution

The fourth proportional to 21,810.06, 30,096.54 and 12,251.25 is: 16,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.06 : 30,096.54 = 12,251.25 : x
  2. Step 2: Convert to fraction form
    21,810.06/30,096.54 = 12,251.25/x
  3. Step 3: Cross multiply
    21,810.06x = 30,096.54 × 12,251.25
  4. Step 4: Simplify right side
    21,810.06x = 368,720,235.68
  5. Step 5: Solve for x
    x = 368,720,235.68/21,810.06
  6. Step 6: Final answer
    x = 16,905.97

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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.