Home / 12,834.48-19,257.84-6,990.96

Finding the Fourth Proportional to 12,834.48, 19,257.84 and 6,990.96

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Solution

The fourth proportional to 12,834.48, 19,257.84 and 6,990.96 is: 10,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.48 : 19,257.84 = 6,990.96 : x
  2. Step 2: Convert to fraction form
    12,834.48/19,257.84 = 6,990.96/x
  3. Step 3: Cross multiply
    12,834.48x = 19,257.84 × 6,990.96
  4. Step 4: Simplify right side
    12,834.48x = 134,630,789.13
  5. Step 5: Solve for x
    x = 134,630,789.13/12,834.48
  6. Step 6: Final answer
    x = 10,489.77

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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.