Home / 19,316.67-28,982.70-9,453.30

Finding the Fourth Proportional to 19,316.67, 28,982.70 and 9,453.30

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Solution

The fourth proportional to 19,316.67, 28,982.70 and 9,453.30 is: 14,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.67 : 28,982.70 = 9,453.30 : x
  2. Step 2: Convert to fraction form
    19,316.67/28,982.70 = 9,453.30/x
  3. Step 3: Cross multiply
    19,316.67x = 28,982.70 × 9,453.30
  4. Step 4: Simplify right side
    19,316.67x = 273,982,157.91
  5. Step 5: Solve for x
    x = 273,982,157.91/19,316.67
  6. Step 6: Final answer
    x = 14,183.72

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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.