Home / 13,163.24-18,165.23-7,194.91

Finding the Fourth Proportional to 13,163.24, 18,165.23 and 7,194.91

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Solution

The fourth proportional to 13,163.24, 18,165.23 and 7,194.91 is: 9,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.24 : 18,165.23 = 7,194.91 : x
  2. Step 2: Convert to fraction form
    13,163.24/18,165.23 = 7,194.91/x
  3. Step 3: Cross multiply
    13,163.24x = 18,165.23 × 7,194.91
  4. Step 4: Simplify right side
    13,163.24x = 130,697,194.98
  5. Step 5: Solve for x
    x = 130,697,194.98/13,163.24
  6. Step 6: Final answer
    x = 9,928.95

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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.