Home / 14,146.83-21,222.98-5,381.07

Finding the Fourth Proportional to 14,146.83, 21,222.98 and 5,381.07

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Solution

The fourth proportional to 14,146.83, 21,222.98 and 5,381.07 is: 8,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.83 : 21,222.98 = 5,381.07 : x
  2. Step 2: Convert to fraction form
    14,146.83/21,222.98 = 5,381.07/x
  3. Step 3: Cross multiply
    14,146.83x = 21,222.98 × 5,381.07
  4. Step 4: Simplify right side
    14,146.83x = 114,202,314.08
  5. Step 5: Solve for x
    x = 114,202,314.08/14,146.83
  6. Step 6: Final answer
    x = 8,072.64

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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.