Home / 14,146.09-21,180.12-9,459.61

Finding the Fourth Proportional to 14,146.09, 21,180.12 and 9,459.61

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Solution

The fourth proportional to 14,146.09, 21,180.12 and 9,459.61 is: 14,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.09 : 21,180.12 = 9,459.61 : x
  2. Step 2: Convert to fraction form
    14,146.09/21,180.12 = 9,459.61/x
  3. Step 3: Cross multiply
    14,146.09x = 21,180.12 × 9,459.61
  4. Step 4: Simplify right side
    14,146.09x = 200,355,674.95
  5. Step 5: Solve for x
    x = 200,355,674.95/14,146.09
  6. Step 6: Final answer
    x = 14,163.33

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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.