Home / 9,184.24-12,678.96-8,287.84

Finding the Fourth Proportional to 9,184.24, 12,678.96 and 8,287.84

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Solution

The fourth proportional to 9,184.24, 12,678.96 and 8,287.84 is: 11,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.24 : 12,678.96 = 8,287.84 : x
  2. Step 2: Convert to fraction form
    9,184.24/12,678.96 = 8,287.84/x
  3. Step 3: Cross multiply
    9,184.24x = 12,678.96 × 8,287.84
  4. Step 4: Simplify right side
    9,184.24x = 105,081,191.85
  5. Step 5: Solve for x
    x = 105,081,191.85/9,184.24
  6. Step 6: Final answer
    x = 11,441.47

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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.