Home / 14,513.48-20,028.84-8,225.72

Finding the Fourth Proportional to 14,513.48, 20,028.84 and 8,225.72

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Solution

The fourth proportional to 14,513.48, 20,028.84 and 8,225.72 is: 11,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.48 : 20,028.84 = 8,225.72 : x
  2. Step 2: Convert to fraction form
    14,513.48/20,028.84 = 8,225.72/x
  3. Step 3: Cross multiply
    14,513.48x = 20,028.84 × 8,225.72
  4. Step 4: Simplify right side
    14,513.48x = 164,751,629.76
  5. Step 5: Solve for x
    x = 164,751,629.76/14,513.48
  6. Step 6: Final answer
    x = 11,351.63

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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.