Home / 19,859.42-29,796.84-8,758.28

Finding the Fourth Proportional to 19,859.42, 29,796.84 and 8,758.28

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Solution

The fourth proportional to 19,859.42, 29,796.84 and 8,758.28 is: 13,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.42 : 29,796.84 = 8,758.28 : x
  2. Step 2: Convert to fraction form
    19,859.42/29,796.84 = 8,758.28/x
  3. Step 3: Cross multiply
    19,859.42x = 29,796.84 × 8,758.28
  4. Step 4: Simplify right side
    19,859.42x = 260,968,918.85
  5. Step 5: Solve for x
    x = 260,968,918.85/19,859.42
  6. Step 6: Final answer
    x = 13,140.82

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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.