Home / 11,307.08-16,961.63-2,986.98

Finding the Fourth Proportional to 11,307.08, 16,961.63 and 2,986.98

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Solution

The fourth proportional to 11,307.08, 16,961.63 and 2,986.98 is: 4,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.08 : 16,961.63 = 2,986.98 : x
  2. Step 2: Convert to fraction form
    11,307.08/16,961.63 = 2,986.98/x
  3. Step 3: Cross multiply
    11,307.08x = 16,961.63 × 2,986.98
  4. Step 4: Simplify right side
    11,307.08x = 50,664,034.64
  5. Step 5: Solve for x
    x = 50,664,034.64/11,307.08
  6. Step 6: Final answer
    x = 4,480.74

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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.