Home / 8,147.08-12,207.84-6,302.80

Finding the Fourth Proportional to 8,147.08, 12,207.84 and 6,302.80

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Solution

The fourth proportional to 8,147.08, 12,207.84 and 6,302.80 is: 9,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.08 : 12,207.84 = 6,302.80 : x
  2. Step 2: Convert to fraction form
    8,147.08/12,207.84 = 6,302.80/x
  3. Step 3: Cross multiply
    8,147.08x = 12,207.84 × 6,302.80
  4. Step 4: Simplify right side
    8,147.08x = 76,943,573.95
  5. Step 5: Solve for x
    x = 76,943,573.95/8,147.08
  6. Step 6: Final answer
    x = 9,444.31

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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.