Home / 13,938.65-19,229.05-8,273.64

Finding the Fourth Proportional to 13,938.65, 19,229.05 and 8,273.64

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Solution

The fourth proportional to 13,938.65, 19,229.05 and 8,273.64 is: 11,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.65 : 19,229.05 = 8,273.64 : x
  2. Step 2: Convert to fraction form
    13,938.65/19,229.05 = 8,273.64/x
  3. Step 3: Cross multiply
    13,938.65x = 19,229.05 × 8,273.64
  4. Step 4: Simplify right side
    13,938.65x = 159,094,237.24
  5. Step 5: Solve for x
    x = 159,094,237.24/13,938.65
  6. Step 6: Final answer
    x = 11,413.89

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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.