Home / 19,859.18-29,796.47-8,758.03

Finding the Fourth Proportional to 19,859.18, 29,796.47 and 8,758.03

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Solution

The fourth proportional to 19,859.18, 29,796.47 and 8,758.03 is: 13,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.18 : 29,796.47 = 8,758.03 : x
  2. Step 2: Convert to fraction form
    19,859.18/29,796.47 = 8,758.03/x
  3. Step 3: Cross multiply
    19,859.18x = 29,796.47 × 8,758.03
  4. Step 4: Simplify right side
    19,859.18x = 260,958,334.36
  5. Step 5: Solve for x
    x = 260,958,334.36/19,859.18
  6. Step 6: Final answer
    x = 13,140.44

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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.