Home / 12,099.63-16,690.25-7,615.60

Finding the Fourth Proportional to 12,099.63, 16,690.25 and 7,615.60

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Solution

The fourth proportional to 12,099.63, 16,690.25 and 7,615.60 is: 10,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.63 : 16,690.25 = 7,615.60 : x
  2. Step 2: Convert to fraction form
    12,099.63/16,690.25 = 7,615.60/x
  3. Step 3: Cross multiply
    12,099.63x = 16,690.25 × 7,615.60
  4. Step 4: Simplify right side
    12,099.63x = 127,106,245.21
  5. Step 5: Solve for x
    x = 127,106,245.21/12,099.63
  6. Step 6: Final answer
    x = 10,504.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.