Home / 9,399.49-14,099.47-3,159.60

Finding the Fourth Proportional to 9,399.49, 14,099.47 and 3,159.60

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Solution

The fourth proportional to 9,399.49, 14,099.47 and 3,159.60 is: 4,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.49 : 14,099.47 = 3,159.60 : x
  2. Step 2: Convert to fraction form
    9,399.49/14,099.47 = 3,159.60/x
  3. Step 3: Cross multiply
    9,399.49x = 14,099.47 × 3,159.60
  4. Step 4: Simplify right side
    9,399.49x = 44,548,685.41
  5. Step 5: Solve for x
    x = 44,548,685.41/9,399.49
  6. Step 6: Final answer
    x = 4,739.48

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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.