Home / 9,012.40-13,519.44-2,438.64

Finding the Fourth Proportional to 9,012.40, 13,519.44 and 2,438.64

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Solution

The fourth proportional to 9,012.40, 13,519.44 and 2,438.64 is: 3,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.40 : 13,519.44 = 2,438.64 : x
  2. Step 2: Convert to fraction form
    9,012.40/13,519.44 = 2,438.64/x
  3. Step 3: Cross multiply
    9,012.40x = 13,519.44 × 2,438.64
  4. Step 4: Simplify right side
    9,012.40x = 32,969,047.16
  5. Step 5: Solve for x
    x = 32,969,047.16/9,012.40
  6. Step 6: Final answer
    x = 3,658.19

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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.