Home / 13,269.08-19,889.78-4,945.48

Finding the Fourth Proportional to 13,269.08, 19,889.78 and 4,945.48

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Solution

The fourth proportional to 13,269.08, 19,889.78 and 4,945.48 is: 7,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.08 : 19,889.78 = 4,945.48 : x
  2. Step 2: Convert to fraction form
    13,269.08/19,889.78 = 4,945.48/x
  3. Step 3: Cross multiply
    13,269.08x = 19,889.78 × 4,945.48
  4. Step 4: Simplify right side
    13,269.08x = 98,364,434.74
  5. Step 5: Solve for x
    x = 98,364,434.74/13,269.08
  6. Step 6: Final answer
    x = 7,413.05

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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.