Home / 19,964.04-29,922.14-8,858.21

Finding the Fourth Proportional to 19,964.04, 29,922.14 and 8,858.21

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Solution

The fourth proportional to 19,964.04, 29,922.14 and 8,858.21 is: 13,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.04 : 29,922.14 = 8,858.21 : x
  2. Step 2: Convert to fraction form
    19,964.04/29,922.14 = 8,858.21/x
  3. Step 3: Cross multiply
    19,964.04x = 29,922.14 × 8,858.21
  4. Step 4: Simplify right side
    19,964.04x = 265,056,405.87
  5. Step 5: Solve for x
    x = 265,056,405.87/19,964.04
  6. Step 6: Final answer
    x = 13,276.69

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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.