Home / 19,842.15-29,739.76-8,725.58

Finding the Fourth Proportional to 19,842.15, 29,739.76 and 8,725.58

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Solution

The fourth proportional to 19,842.15, 29,739.76 and 8,725.58 is: 13,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.15 : 29,739.76 = 8,725.58 : x
  2. Step 2: Convert to fraction form
    19,842.15/29,739.76 = 8,725.58/x
  3. Step 3: Cross multiply
    19,842.15x = 29,739.76 × 8,725.58
  4. Step 4: Simplify right side
    19,842.15x = 259,496,679.72
  5. Step 5: Solve for x
    x = 259,496,679.72/19,842.15
  6. Step 6: Final answer
    x = 13,078.05

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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.