Home / 21,804.49-30,091.13-12,373.93

Finding the Fourth Proportional to 21,804.49, 30,091.13 and 12,373.93

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Solution

The fourth proportional to 21,804.49, 30,091.13 and 12,373.93 is: 17,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.49 : 30,091.13 = 12,373.93 : x
  2. Step 2: Convert to fraction form
    21,804.49/30,091.13 = 12,373.93/x
  3. Step 3: Cross multiply
    21,804.49x = 30,091.13 × 12,373.93
  4. Step 4: Simplify right side
    21,804.49x = 372,345,536.24
  5. Step 5: Solve for x
    x = 372,345,536.24/21,804.49
  6. Step 6: Final answer
    x = 17,076.55

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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.