Home / 14,214.79-21,321.57-4,855.64

Finding the Fourth Proportional to 14,214.79, 21,321.57 and 4,855.64

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Solution

The fourth proportional to 14,214.79, 21,321.57 and 4,855.64 is: 7,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.79 : 21,321.57 = 4,855.64 : x
  2. Step 2: Convert to fraction form
    14,214.79/21,321.57 = 4,855.64/x
  3. Step 3: Cross multiply
    14,214.79x = 21,321.57 × 4,855.64
  4. Step 4: Simplify right side
    14,214.79x = 103,529,868.15
  5. Step 5: Solve for x
    x = 103,529,868.15/14,214.79
  6. Step 6: Final answer
    x = 7,283.25

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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.