Home / 12,751.43-19,107.65-8,575.98

Finding the Fourth Proportional to 12,751.43, 19,107.65 and 8,575.98

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Solution

The fourth proportional to 12,751.43, 19,107.65 and 8,575.98 is: 12,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.43 : 19,107.65 = 8,575.98 : x
  2. Step 2: Convert to fraction form
    12,751.43/19,107.65 = 8,575.98/x
  3. Step 3: Cross multiply
    12,751.43x = 19,107.65 × 8,575.98
  4. Step 4: Simplify right side
    12,751.43x = 163,866,725.79
  5. Step 5: Solve for x
    x = 163,866,725.79/12,751.43
  6. Step 6: Final answer
    x = 12,850.86

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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.