Home / 14,141.40-21,213.60-4,782.48

Finding the Fourth Proportional to 14,141.40, 21,213.60 and 4,782.48

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Solution

The fourth proportional to 14,141.40, 21,213.60 and 4,782.48 is: 7,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.40 : 21,213.60 = 4,782.48 : x
  2. Step 2: Convert to fraction form
    14,141.40/21,213.60 = 4,782.48/x
  3. Step 3: Cross multiply
    14,141.40x = 21,213.60 × 4,782.48
  4. Step 4: Simplify right side
    14,141.40x = 101,453,617.73
  5. Step 5: Solve for x
    x = 101,453,617.73/14,141.40
  6. Step 6: Final answer
    x = 7,174.23

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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.