Home / 14,188.21-21,260.24-5,418.34

Finding the Fourth Proportional to 14,188.21, 21,260.24 and 5,418.34

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Solution

The fourth proportional to 14,188.21, 21,260.24 and 5,418.34 is: 8,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.21 : 21,260.24 = 5,418.34 : x
  2. Step 2: Convert to fraction form
    14,188.21/21,260.24 = 5,418.34/x
  3. Step 3: Cross multiply
    14,188.21x = 21,260.24 × 5,418.34
  4. Step 4: Simplify right side
    14,188.21x = 115,195,075.41
  5. Step 5: Solve for x
    x = 115,195,075.41/14,188.21
  6. Step 6: Final answer
    x = 8,119.07

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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.