Home / 14,513.53-20,028.44-8,140.12

Finding the Fourth Proportional to 14,513.53, 20,028.44 and 8,140.12

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Solution

The fourth proportional to 14,513.53, 20,028.44 and 8,140.12 is: 11,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.53 : 20,028.44 = 8,140.12 : x
  2. Step 2: Convert to fraction form
    14,513.53/20,028.44 = 8,140.12/x
  3. Step 3: Cross multiply
    14,513.53x = 20,028.44 × 8,140.12
  4. Step 4: Simplify right side
    14,513.53x = 163,033,804.87
  5. Step 5: Solve for x
    x = 163,033,804.87/14,513.53
  6. Step 6: Final answer
    x = 11,233.23

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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.