Home / 13,683.27-18,882.91-7,395.65

Finding the Fourth Proportional to 13,683.27, 18,882.91 and 7,395.65

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Solution

The fourth proportional to 13,683.27, 18,882.91 and 7,395.65 is: 10,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.27 : 18,882.91 = 7,395.65 : x
  2. Step 2: Convert to fraction form
    13,683.27/18,882.91 = 7,395.65/x
  3. Step 3: Cross multiply
    13,683.27x = 18,882.91 × 7,395.65
  4. Step 4: Simplify right side
    13,683.27x = 139,651,317.91
  5. Step 5: Solve for x
    x = 139,651,317.91/13,683.27
  6. Step 6: Final answer
    x = 10,205.99

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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.