Home / 14,073.36-21,126.40-8,234.16

Finding the Fourth Proportional to 14,073.36, 21,126.40 and 8,234.16

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Solution

The fourth proportional to 14,073.36, 21,126.40 and 8,234.16 is: 12,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.36 : 21,126.40 = 8,234.16 : x
  2. Step 2: Convert to fraction form
    14,073.36/21,126.40 = 8,234.16/x
  3. Step 3: Cross multiply
    14,073.36x = 21,126.40 × 8,234.16
  4. Step 4: Simplify right side
    14,073.36x = 173,958,157.82
  5. Step 5: Solve for x
    x = 173,958,157.82/14,073.36
  6. Step 6: Final answer
    x = 12,360.81

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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.