Home / 10,131.06-15,199.02-3,205.56

Finding the Fourth Proportional to 10,131.06, 15,199.02 and 3,205.56

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Solution

The fourth proportional to 10,131.06, 15,199.02 and 3,205.56 is: 4,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.06 : 15,199.02 = 3,205.56 : x
  2. Step 2: Convert to fraction form
    10,131.06/15,199.02 = 3,205.56/x
  3. Step 3: Cross multiply
    10,131.06x = 15,199.02 × 3,205.56
  4. Step 4: Simplify right side
    10,131.06x = 48,721,370.55
  5. Step 5: Solve for x
    x = 48,721,370.55/10,131.06
  6. Step 6: Final answer
    x = 4,809.11

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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.