Home / 10,029.08-13,827.30-6,879.80

Finding the Fourth Proportional to 10,029.08, 13,827.30 and 6,879.80

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Solution

The fourth proportional to 10,029.08, 13,827.30 and 6,879.80 is: 9,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.08 : 13,827.30 = 6,879.80 : x
  2. Step 2: Convert to fraction form
    10,029.08/13,827.30 = 6,879.80/x
  3. Step 3: Cross multiply
    10,029.08x = 13,827.30 × 6,879.80
  4. Step 4: Simplify right side
    10,029.08x = 95,129,058.54
  5. Step 5: Solve for x
    x = 95,129,058.54/10,029.08
  6. Step 6: Final answer
    x = 9,485.32

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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.