Home / 13,196.70-19,761.84-12,090.24

Finding the Fourth Proportional to 13,196.70, 19,761.84 and 12,090.24

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Solution

The fourth proportional to 13,196.70, 19,761.84 and 12,090.24 is: 18,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.70 : 19,761.84 = 12,090.24 : x
  2. Step 2: Convert to fraction form
    13,196.70/19,761.84 = 12,090.24/x
  3. Step 3: Cross multiply
    13,196.70x = 19,761.84 × 12,090.24
  4. Step 4: Simplify right side
    13,196.70x = 238,925,388.44
  5. Step 5: Solve for x
    x = 238,925,388.44/13,196.70
  6. Step 6: Final answer
    x = 18,104.93

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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.