Home / 14,137.26-21,203.46-5,130.48

Finding the Fourth Proportional to 14,137.26, 21,203.46 and 5,130.48

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Solution

The fourth proportional to 14,137.26, 21,203.46 and 5,130.48 is: 7,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.26 : 21,203.46 = 5,130.48 : x
  2. Step 2: Convert to fraction form
    14,137.26/21,203.46 = 5,130.48/x
  3. Step 3: Cross multiply
    14,137.26x = 21,203.46 × 5,130.48
  4. Step 4: Simplify right side
    14,137.26x = 108,783,927.46
  5. Step 5: Solve for x
    x = 108,783,927.46/14,137.26
  6. Step 6: Final answer
    x = 7,694.84

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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.