Home / 9,144.03-13,715.93-2,218.59

Finding the Fourth Proportional to 9,144.03, 13,715.93 and 2,218.59

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Solution

The fourth proportional to 9,144.03, 13,715.93 and 2,218.59 is: 3,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.03 : 13,715.93 = 2,218.59 : x
  2. Step 2: Convert to fraction form
    9,144.03/13,715.93 = 2,218.59/x
  3. Step 3: Cross multiply
    9,144.03x = 13,715.93 × 2,218.59
  4. Step 4: Simplify right side
    9,144.03x = 30,430,014.05
  5. Step 5: Solve for x
    x = 30,430,014.05/9,144.03
  6. Step 6: Final answer
    x = 3,327.86

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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.