Home / 14,171.08-21,246.21-7,147.63

Finding the Fourth Proportional to 14,171.08, 21,246.21 and 7,147.63

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Solution

The fourth proportional to 14,171.08, 21,246.21 and 7,147.63 is: 10,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.08 : 21,246.21 = 7,147.63 : x
  2. Step 2: Convert to fraction form
    14,171.08/21,246.21 = 7,147.63/x
  3. Step 3: Cross multiply
    14,171.08x = 21,246.21 × 7,147.63
  4. Step 4: Simplify right side
    14,171.08x = 151,860,047.98
  5. Step 5: Solve for x
    x = 151,860,047.98/14,171.08
  6. Step 6: Final answer
    x = 10,716.19

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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.