Home / 18,716.38-28,059.84-9,351.58

Finding the Fourth Proportional to 18,716.38, 28,059.84 and 9,351.58

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Solution

The fourth proportional to 18,716.38, 28,059.84 and 9,351.58 is: 14,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.38 : 28,059.84 = 9,351.58 : x
  2. Step 2: Convert to fraction form
    18,716.38/28,059.84 = 9,351.58/x
  3. Step 3: Cross multiply
    18,716.38x = 28,059.84 × 9,351.58
  4. Step 4: Simplify right side
    18,716.38x = 262,403,838.55
  5. Step 5: Solve for x
    x = 262,403,838.55/18,716.38
  6. Step 6: Final answer
    x = 14,020.01

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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.