Home / 14,141.10-21,204.39-7,481.19

Finding the Fourth Proportional to 14,141.10, 21,204.39 and 7,481.19

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Solution

The fourth proportional to 14,141.10, 21,204.39 and 7,481.19 is: 11,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.10 : 21,204.39 = 7,481.19 : x
  2. Step 2: Convert to fraction form
    14,141.10/21,204.39 = 7,481.19/x
  3. Step 3: Cross multiply
    14,141.10x = 21,204.39 × 7,481.19
  4. Step 4: Simplify right side
    14,141.10x = 158,634,070.42
  5. Step 5: Solve for x
    x = 158,634,070.42/14,141.10
  6. Step 6: Final answer
    x = 11,217.94

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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.