Home / 11,319.44-15,620.11-6,283.37

Finding the Fourth Proportional to 11,319.44, 15,620.11 and 6,283.37

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Solution

The fourth proportional to 11,319.44, 15,620.11 and 6,283.37 is: 8,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.44 : 15,620.11 = 6,283.37 : x
  2. Step 2: Convert to fraction form
    11,319.44/15,620.11 = 6,283.37/x
  3. Step 3: Cross multiply
    11,319.44x = 15,620.11 × 6,283.37
  4. Step 4: Simplify right side
    11,319.44x = 98,146,953.91
  5. Step 5: Solve for x
    x = 98,146,953.91/11,319.44
  6. Step 6: Final answer
    x = 8,670.66

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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.