Home / 14,162.56-21,247-4,167.56

Finding the Fourth Proportional to 14,162.56, 21,247 and 4,167.56

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Solution

The fourth proportional to 14,162.56, 21,247 and 4,167.56 is: 6,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.56 : 21,247 = 4,167.56 : x
  2. Step 2: Convert to fraction form
    14,162.56/21,247 = 4,167.56/x
  3. Step 3: Cross multiply
    14,162.56x = 21,247 × 4,167.56
  4. Step 4: Simplify right side
    14,162.56x = 88,548,147.32
  5. Step 5: Solve for x
    x = 88,548,147.32/14,162.56
  6. Step 6: Final answer
    x = 6,252.27

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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.