Home / 13,683.14-18,882.74-7,395.52

Finding the Fourth Proportional to 13,683.14, 18,882.74 and 7,395.52

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Solution

The fourth proportional to 13,683.14, 18,882.74 and 7,395.52 is: 10,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.14 : 18,882.74 = 7,395.52 : x
  2. Step 2: Convert to fraction form
    13,683.14/18,882.74 = 7,395.52/x
  3. Step 3: Cross multiply
    13,683.14x = 18,882.74 × 7,395.52
  4. Step 4: Simplify right side
    13,683.14x = 139,647,597.14
  5. Step 5: Solve for x
    x = 139,647,597.14/13,683.14
  6. Step 6: Final answer
    x = 10,205.81

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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.