Home / 13,518.09-20,273.49-4,748.22

Finding the Fourth Proportional to 13,518.09, 20,273.49 and 4,748.22

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Solution

The fourth proportional to 13,518.09, 20,273.49 and 4,748.22 is: 7,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.09 : 20,273.49 = 4,748.22 : x
  2. Step 2: Convert to fraction form
    13,518.09/20,273.49 = 4,748.22/x
  3. Step 3: Cross multiply
    13,518.09x = 20,273.49 × 4,748.22
  4. Step 4: Simplify right side
    13,518.09x = 96,262,990.69
  5. Step 5: Solve for x
    x = 96,262,990.69/13,518.09
  6. Step 6: Final answer
    x = 7,121.05

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1.5x scale

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.