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Finding the Fourth Proportional to 10,603.08, 15,879.06 and 6,207.48

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Solution

The fourth proportional to 10,603.08, 15,879.06 and 6,207.48 is: 9,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.08 : 15,879.06 = 6,207.48 : x
  2. Step 2: Convert to fraction form
    10,603.08/15,879.06 = 6,207.48/x
  3. Step 3: Cross multiply
    10,603.08x = 15,879.06 × 6,207.48
  4. Step 4: Simplify right side
    10,603.08x = 98,568,947.37
  5. Step 5: Solve for x
    x = 98,568,947.37/10,603.08
  6. Step 6: Final answer
    x = 9,296.26

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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.