Home / 11,207.51-16,806.40-3,809.98

Finding the Fourth Proportional to 11,207.51, 16,806.40 and 3,809.98

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Solution

The fourth proportional to 11,207.51, 16,806.40 and 3,809.98 is: 5,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.51 : 16,806.40 = 3,809.98 : x
  2. Step 2: Convert to fraction form
    11,207.51/16,806.40 = 3,809.98/x
  3. Step 3: Cross multiply
    11,207.51x = 16,806.40 × 3,809.98
  4. Step 4: Simplify right side
    11,207.51x = 64,032,047.87
  5. Step 5: Solve for x
    x = 64,032,047.87/11,207.51
  6. Step 6: Final answer
    x = 5,713.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.