Home / 18,887.43-28,317.31-9,522.82

Finding the Fourth Proportional to 18,887.43, 28,317.31 and 9,522.82

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Solution

The fourth proportional to 18,887.43, 28,317.31 and 9,522.82 is: 14,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.43 : 28,317.31 = 9,522.82 : x
  2. Step 2: Convert to fraction form
    18,887.43/28,317.31 = 9,522.82/x
  3. Step 3: Cross multiply
    18,887.43x = 28,317.31 × 9,522.82
  4. Step 4: Simplify right side
    18,887.43x = 269,660,646.01
  5. Step 5: Solve for x
    x = 269,660,646.01/18,887.43
  6. Step 6: Final answer
    x = 14,277.25

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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.