Home / 15,135.82-22,703.47-6,809.94

Finding the Fourth Proportional to 15,135.82, 22,703.47 and 6,809.94

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Solution

The fourth proportional to 15,135.82, 22,703.47 and 6,809.94 is: 10,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.82 : 22,703.47 = 6,809.94 : x
  2. Step 2: Convert to fraction form
    15,135.82/22,703.47 = 6,809.94/x
  3. Step 3: Cross multiply
    15,135.82x = 22,703.47 × 6,809.94
  4. Step 4: Simplify right side
    15,135.82x = 154,609,268.49
  5. Step 5: Solve for x
    x = 154,609,268.49/15,135.82
  6. Step 6: Final answer
    x = 10,214.79

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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.