Home / 9,163.37-12,655.77-6,191.48

Finding the Fourth Proportional to 9,163.37, 12,655.77 and 6,191.48

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Solution

The fourth proportional to 9,163.37, 12,655.77 and 6,191.48 is: 8,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.37 : 12,655.77 = 6,191.48 : x
  2. Step 2: Convert to fraction form
    9,163.37/12,655.77 = 6,191.48/x
  3. Step 3: Cross multiply
    9,163.37x = 12,655.77 × 6,191.48
  4. Step 4: Simplify right side
    9,163.37x = 78,357,946.84
  5. Step 5: Solve for x
    x = 78,357,946.84/9,163.37
  6. Step 6: Final answer
    x = 8,551.21

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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.