Home / 11,362.42-15,680-6,326.51

Finding the Fourth Proportional to 11,362.42, 15,680 and 6,326.51

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Solution

The fourth proportional to 11,362.42, 15,680 and 6,326.51 is: 8,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.42 : 15,680 = 6,326.51 : x
  2. Step 2: Convert to fraction form
    11,362.42/15,680 = 6,326.51/x
  3. Step 3: Cross multiply
    11,362.42x = 15,680 × 6,326.51
  4. Step 4: Simplify right side
    11,362.42x = 99,199,676.80
  5. Step 5: Solve for x
    x = 99,199,676.80/11,362.42
  6. Step 6: Final answer
    x = 8,730.51

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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.