Home / 13,012.02-19,519.20-3,652.14

Finding the Fourth Proportional to 13,012.02, 19,519.20 and 3,652.14

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Solution

The fourth proportional to 13,012.02, 19,519.20 and 3,652.14 is: 5,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.02 : 19,519.20 = 3,652.14 : x
  2. Step 2: Convert to fraction form
    13,012.02/19,519.20 = 3,652.14/x
  3. Step 3: Cross multiply
    13,012.02x = 19,519.20 × 3,652.14
  4. Step 4: Simplify right side
    13,012.02x = 71,286,851.09
  5. Step 5: Solve for x
    x = 71,286,851.09/13,012.02
  6. Step 6: Final answer
    x = 5,478.54

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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.