Home / 19,860.18-29,797.97-8,759.03

Finding the Fourth Proportional to 19,860.18, 29,797.97 and 8,759.03

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Solution

The fourth proportional to 19,860.18, 29,797.97 and 8,759.03 is: 13,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.18 : 29,797.97 = 8,759.03 : x
  2. Step 2: Convert to fraction form
    19,860.18/29,797.97 = 8,759.03/x
  3. Step 3: Cross multiply
    19,860.18x = 29,797.97 × 8,759.03
  4. Step 4: Simplify right side
    19,860.18x = 261,001,313.17
  5. Step 5: Solve for x
    x = 261,001,313.17/19,860.18
  6. Step 6: Final answer
    x = 13,141.94

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1.5x scale

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.