Home / 14,883.12-20,539.94-8,170.07

Finding the Fourth Proportional to 14,883.12, 20,539.94 and 8,170.07

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Solution

The fourth proportional to 14,883.12, 20,539.94 and 8,170.07 is: 11,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.12 : 20,539.94 = 8,170.07 : x
  2. Step 2: Convert to fraction form
    14,883.12/20,539.94 = 8,170.07/x
  3. Step 3: Cross multiply
    14,883.12x = 20,539.94 × 8,170.07
  4. Step 4: Simplify right side
    14,883.12x = 167,812,604.05
  5. Step 5: Solve for x
    x = 167,812,604.05/14,883.12
  6. Step 6: Final answer
    x = 11,275.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.