Home / 9,191.08-12,678.96-6,207.04

Finding the Fourth Proportional to 9,191.08, 12,678.96 and 6,207.04

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Solution

The fourth proportional to 9,191.08, 12,678.96 and 6,207.04 is: 8,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.08 : 12,678.96 = 6,207.04 : x
  2. Step 2: Convert to fraction form
    9,191.08/12,678.96 = 6,207.04/x
  3. Step 3: Cross multiply
    9,191.08x = 12,678.96 × 6,207.04
  4. Step 4: Simplify right side
    9,191.08x = 78,698,811.88
  5. Step 5: Solve for x
    x = 78,698,811.88/9,191.08
  6. Step 6: Final answer
    x = 8,562.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.