Home / 9,621.44-14,438.64-3,777.36

Finding the Fourth Proportional to 9,621.44, 14,438.64 and 3,777.36

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Solution

The fourth proportional to 9,621.44, 14,438.64 and 3,777.36 is: 5,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.44 : 14,438.64 = 3,777.36 : x
  2. Step 2: Convert to fraction form
    9,621.44/14,438.64 = 3,777.36/x
  3. Step 3: Cross multiply
    9,621.44x = 14,438.64 × 3,777.36
  4. Step 4: Simplify right side
    9,621.44x = 54,539,941.19
  5. Step 5: Solve for x
    x = 54,539,941.19/9,621.44
  6. Step 6: Final answer
    x = 5,668.58

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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.