Home / 10,879.44-15,014.96-6,402.98

Finding the Fourth Proportional to 10,879.44, 15,014.96 and 6,402.98

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Solution

The fourth proportional to 10,879.44, 15,014.96 and 6,402.98 is: 8,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.44 : 15,014.96 = 6,402.98 : x
  2. Step 2: Convert to fraction form
    10,879.44/15,014.96 = 6,402.98/x
  3. Step 3: Cross multiply
    10,879.44x = 15,014.96 × 6,402.98
  4. Step 4: Simplify right side
    10,879.44x = 96,140,488.58
  5. Step 5: Solve for x
    x = 96,140,488.58/10,879.44
  6. Step 6: Final answer
    x = 8,836.90

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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.