Home / 11,791.06-16,271.91-6,485.87

Finding the Fourth Proportional to 11,791.06, 16,271.91 and 6,485.87

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Solution

The fourth proportional to 11,791.06, 16,271.91 and 6,485.87 is: 8,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.06 : 16,271.91 = 6,485.87 : x
  2. Step 2: Convert to fraction form
    11,791.06/16,271.91 = 6,485.87/x
  3. Step 3: Cross multiply
    11,791.06x = 16,271.91 × 6,485.87
  4. Step 4: Simplify right side
    11,791.06x = 105,537,533.59
  5. Step 5: Solve for x
    x = 105,537,533.59/11,791.06
  6. Step 6: Final answer
    x = 8,950.64

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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.