Home / 19,639.82-29,487.41-14,090.14

Finding the Fourth Proportional to 19,639.82, 29,487.41 and 14,090.14

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Solution

The fourth proportional to 19,639.82, 29,487.41 and 14,090.14 is: 21,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.82 : 29,487.41 = 14,090.14 : x
  2. Step 2: Convert to fraction form
    19,639.82/29,487.41 = 14,090.14/x
  3. Step 3: Cross multiply
    19,639.82x = 29,487.41 × 14,090.14
  4. Step 4: Simplify right side
    19,639.82x = 415,481,590.97
  5. Step 5: Solve for x
    x = 415,481,590.97/19,639.82
  6. Step 6: Final answer
    x = 21,155.07

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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.