Home / 11,309.87-15,605.29-6,529.73

Finding the Fourth Proportional to 11,309.87, 15,605.29 and 6,529.73

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Solution

The fourth proportional to 11,309.87, 15,605.29 and 6,529.73 is: 9,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.87 : 15,605.29 = 6,529.73 : x
  2. Step 2: Convert to fraction form
    11,309.87/15,605.29 = 6,529.73/x
  3. Step 3: Cross multiply
    11,309.87x = 15,605.29 × 6,529.73
  4. Step 4: Simplify right side
    11,309.87x = 101,898,297.62
  5. Step 5: Solve for x
    x = 101,898,297.62/11,309.87
  6. Step 6: Final answer
    x = 9,009.68

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1.5x scale

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.