Home / 10,389.42-15,586.77-2,993.88

Finding the Fourth Proportional to 10,389.42, 15,586.77 and 2,993.88

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Solution

The fourth proportional to 10,389.42, 15,586.77 and 2,993.88 is: 4,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.42 : 15,586.77 = 2,993.88 : x
  2. Step 2: Convert to fraction form
    10,389.42/15,586.77 = 2,993.88/x
  3. Step 3: Cross multiply
    10,389.42x = 15,586.77 × 2,993.88
  4. Step 4: Simplify right side
    10,389.42x = 46,664,918.97
  5. Step 5: Solve for x
    x = 46,664,918.97/10,389.42
  6. Step 6: Final answer
    x = 4,491.58

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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.