Home / 14,320.09-21,477.66-3,790.18

Finding the Fourth Proportional to 14,320.09, 21,477.66 and 3,790.18

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Solution

The fourth proportional to 14,320.09, 21,477.66 and 3,790.18 is: 5,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.09 : 21,477.66 = 3,790.18 : x
  2. Step 2: Convert to fraction form
    14,320.09/21,477.66 = 3,790.18/x
  3. Step 3: Cross multiply
    14,320.09x = 21,477.66 × 3,790.18
  4. Step 4: Simplify right side
    14,320.09x = 81,404,197.38
  5. Step 5: Solve for x
    x = 81,404,197.38/14,320.09
  6. Step 6: Final answer
    x = 5,684.61

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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.