Home / 14,381.45-21,578.46-5,028.18

Finding the Fourth Proportional to 14,381.45, 21,578.46 and 5,028.18

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Solution

The fourth proportional to 14,381.45, 21,578.46 and 5,028.18 is: 7,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.45 : 21,578.46 = 5,028.18 : x
  2. Step 2: Convert to fraction form
    14,381.45/21,578.46 = 5,028.18/x
  3. Step 3: Cross multiply
    14,381.45x = 21,578.46 × 5,028.18
  4. Step 4: Simplify right side
    14,381.45x = 108,500,409.81
  5. Step 5: Solve for x
    x = 108,500,409.81/14,381.45
  6. Step 6: Final answer
    x = 7,544.47

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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.