Home / 10,409.82-15,614.67-2,618.63

Finding the Fourth Proportional to 10,409.82, 15,614.67 and 2,618.63

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Solution

The fourth proportional to 10,409.82, 15,614.67 and 2,618.63 is: 3,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.82 : 15,614.67 = 2,618.63 : x
  2. Step 2: Convert to fraction form
    10,409.82/15,614.67 = 2,618.63/x
  3. Step 3: Cross multiply
    10,409.82x = 15,614.67 × 2,618.63
  4. Step 4: Simplify right side
    10,409.82x = 40,889,033.60
  5. Step 5: Solve for x
    x = 40,889,033.60/10,409.82
  6. Step 6: Final answer
    x = 3,927.93

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1.5x scale

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.