Home / 14,126.83-21,197.12-5,809.34

Finding the Fourth Proportional to 14,126.83, 21,197.12 and 5,809.34

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Solution

The fourth proportional to 14,126.83, 21,197.12 and 5,809.34 is: 8,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.83 : 21,197.12 = 5,809.34 : x
  2. Step 2: Convert to fraction form
    14,126.83/21,197.12 = 5,809.34/x
  3. Step 3: Cross multiply
    14,126.83x = 21,197.12 × 5,809.34
  4. Step 4: Simplify right side
    14,126.83x = 123,141,344.62
  5. Step 5: Solve for x
    x = 123,141,344.62/14,126.83
  6. Step 6: Final answer
    x = 8,716.84

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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.