Home / 11,291.46-15,583.01-6,814.96

Finding the Fourth Proportional to 11,291.46, 15,583.01 and 6,814.96

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Solution

The fourth proportional to 11,291.46, 15,583.01 and 6,814.96 is: 9,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.46 : 15,583.01 = 6,814.96 : x
  2. Step 2: Convert to fraction form
    11,291.46/15,583.01 = 6,814.96/x
  3. Step 3: Cross multiply
    11,291.46x = 15,583.01 × 6,814.96
  4. Step 4: Simplify right side
    11,291.46x = 106,197,589.83
  5. Step 5: Solve for x
    x = 106,197,589.83/11,291.46
  6. Step 6: Final answer
    x = 9,405.12

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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.