Home / 12,441.04-17,163.08-7,134.80

Finding the Fourth Proportional to 12,441.04, 17,163.08 and 7,134.80

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Solution

The fourth proportional to 12,441.04, 17,163.08 and 7,134.80 is: 9,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.04 : 17,163.08 = 7,134.80 : x
  2. Step 2: Convert to fraction form
    12,441.04/17,163.08 = 7,134.80/x
  3. Step 3: Cross multiply
    12,441.04x = 17,163.08 × 7,134.80
  4. Step 4: Simplify right side
    12,441.04x = 122,455,143.18
  5. Step 5: Solve for x
    x = 122,455,143.18/12,441.04
  6. Step 6: Final answer
    x = 9,842.84

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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.