Home / 14,507.88-21,767.94-6,189.72

Finding the Fourth Proportional to 14,507.88, 21,767.94 and 6,189.72

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Solution

The fourth proportional to 14,507.88, 21,767.94 and 6,189.72 is: 9,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.88 : 21,767.94 = 6,189.72 : x
  2. Step 2: Convert to fraction form
    14,507.88/21,767.94 = 6,189.72/x
  3. Step 3: Cross multiply
    14,507.88x = 21,767.94 × 6,189.72
  4. Step 4: Simplify right side
    14,507.88x = 134,737,453.58
  5. Step 5: Solve for x
    x = 134,737,453.58/14,507.88
  6. Step 6: Final answer
    x = 9,287.19

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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.