Home / 13,141.16-19,704.48-8,985.84

Finding the Fourth Proportional to 13,141.16, 19,704.48 and 8,985.84

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Solution

The fourth proportional to 13,141.16, 19,704.48 and 8,985.84 is: 13,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.16 : 19,704.48 = 8,985.84 : x
  2. Step 2: Convert to fraction form
    13,141.16/19,704.48 = 8,985.84/x
  3. Step 3: Cross multiply
    13,141.16x = 19,704.48 × 8,985.84
  4. Step 4: Simplify right side
    13,141.16x = 177,061,304.56
  5. Step 5: Solve for x
    x = 177,061,304.56/13,141.16
  6. Step 6: Final answer
    x = 13,473.80

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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.