Home / 19,679.63-29,504.86-11,886.62

Finding the Fourth Proportional to 19,679.63, 29,504.86 and 11,886.62

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Solution

The fourth proportional to 19,679.63, 29,504.86 and 11,886.62 is: 17,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.63 : 29,504.86 = 11,886.62 : x
  2. Step 2: Convert to fraction form
    19,679.63/29,504.86 = 11,886.62/x
  3. Step 3: Cross multiply
    19,679.63x = 29,504.86 × 11,886.62
  4. Step 4: Simplify right side
    19,679.63x = 350,712,852.02
  5. Step 5: Solve for x
    x = 350,712,852.02/19,679.63
  6. Step 6: Final answer
    x = 17,821.11

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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.