Home / 11,647.70-16,074.01-6,342.51

Finding the Fourth Proportional to 11,647.70, 16,074.01 and 6,342.51

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Solution

The fourth proportional to 11,647.70, 16,074.01 and 6,342.51 is: 8,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.70 : 16,074.01 = 6,342.51 : x
  2. Step 2: Convert to fraction form
    11,647.70/16,074.01 = 6,342.51/x
  3. Step 3: Cross multiply
    11,647.70x = 16,074.01 × 6,342.51
  4. Step 4: Simplify right side
    11,647.70x = 101,949,637.37
  5. Step 5: Solve for x
    x = 101,949,637.37/11,647.70
  6. Step 6: Final answer
    x = 8,752.77

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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.