Home / 10,662.26-15,986.54-4,426.56

Finding the Fourth Proportional to 10,662.26, 15,986.54 and 4,426.56

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Solution

The fourth proportional to 10,662.26, 15,986.54 and 4,426.56 is: 6,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.26 : 15,986.54 = 4,426.56 : x
  2. Step 2: Convert to fraction form
    10,662.26/15,986.54 = 4,426.56/x
  3. Step 3: Cross multiply
    10,662.26x = 15,986.54 × 4,426.56
  4. Step 4: Simplify right side
    10,662.26x = 70,765,378.50
  5. Step 5: Solve for x
    x = 70,765,378.50/10,662.26
  6. Step 6: Final answer
    x = 6,637.00

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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.