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Finding the Fourth Proportional to 9,010.67, 13,518.44 and 8,143.16

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Solution

The fourth proportional to 9,010.67, 13,518.44 and 8,143.16 is: 12,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.67 : 13,518.44 = 8,143.16 : x
  2. Step 2: Convert to fraction form
    9,010.67/13,518.44 = 8,143.16/x
  3. Step 3: Cross multiply
    9,010.67x = 13,518.44 × 8,143.16
  4. Step 4: Simplify right side
    9,010.67x = 110,082,779.15
  5. Step 5: Solve for x
    x = 110,082,779.15/9,010.67
  6. Step 6: Final answer
    x = 12,216.94

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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.