Home / 14,127.21-21,190.82-5,360.04

Finding the Fourth Proportional to 14,127.21, 21,190.82 and 5,360.04

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Solution

The fourth proportional to 14,127.21, 21,190.82 and 5,360.04 is: 8,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.21 : 21,190.82 = 5,360.04 : x
  2. Step 2: Convert to fraction form
    14,127.21/21,190.82 = 5,360.04/x
  3. Step 3: Cross multiply
    14,127.21x = 21,190.82 × 5,360.04
  4. Step 4: Simplify right side
    14,127.21x = 113,583,616.03
  5. Step 5: Solve for x
    x = 113,583,616.03/14,127.21
  6. Step 6: Final answer
    x = 8,040.06

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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.