Home / 18,958.74-28,455.56-9,605.27

Finding the Fourth Proportional to 18,958.74, 28,455.56 and 9,605.27

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Solution

The fourth proportional to 18,958.74, 28,455.56 and 9,605.27 is: 14,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.74 : 28,455.56 = 9,605.27 : x
  2. Step 2: Convert to fraction form
    18,958.74/28,455.56 = 9,605.27/x
  3. Step 3: Cross multiply
    18,958.74x = 28,455.56 × 9,605.27
  4. Step 4: Simplify right side
    18,958.74x = 273,323,194.52
  5. Step 5: Solve for x
    x = 273,323,194.52/18,958.74
  6. Step 6: Final answer
    x = 14,416.74

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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.