Home / 11,609.64-17,417.16-3,818.52

Finding the Fourth Proportional to 11,609.64, 17,417.16 and 3,818.52

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Solution

The fourth proportional to 11,609.64, 17,417.16 and 3,818.52 is: 5,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.64 : 17,417.16 = 3,818.52 : x
  2. Step 2: Convert to fraction form
    11,609.64/17,417.16 = 3,818.52/x
  3. Step 3: Cross multiply
    11,609.64x = 17,417.16 × 3,818.52
  4. Step 4: Simplify right side
    11,609.64x = 66,507,773.80
  5. Step 5: Solve for x
    x = 66,507,773.80/11,609.64
  6. Step 6: Final answer
    x = 5,728.67

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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.