Home / 11,581.64-17,368.60-3,788.64

Finding the Fourth Proportional to 11,581.64, 17,368.60 and 3,788.64

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Solution

The fourth proportional to 11,581.64, 17,368.60 and 3,788.64 is: 5,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.64 : 17,368.60 = 3,788.64 : x
  2. Step 2: Convert to fraction form
    11,581.64/17,368.60 = 3,788.64/x
  3. Step 3: Cross multiply
    11,581.64x = 17,368.60 × 3,788.64
  4. Step 4: Simplify right side
    11,581.64x = 65,803,372.70
  5. Step 5: Solve for x
    x = 65,803,372.70/11,581.64
  6. Step 6: Final answer
    x = 5,681.70

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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.