Home / 13,211.03-19,816.64-4,445.82

Finding the Fourth Proportional to 13,211.03, 19,816.64 and 4,445.82

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Solution

The fourth proportional to 13,211.03, 19,816.64 and 4,445.82 is: 6,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.03 : 19,816.64 = 4,445.82 : x
  2. Step 2: Convert to fraction form
    13,211.03/19,816.64 = 4,445.82/x
  3. Step 3: Cross multiply
    13,211.03x = 19,816.64 × 4,445.82
  4. Step 4: Simplify right side
    13,211.03x = 88,101,214.44
  5. Step 5: Solve for x
    x = 88,101,214.44/13,211.03
  6. Step 6: Final answer
    x = 6,668.76

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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.