Home / 12,823.45-19,222.38-6,147.63

Finding the Fourth Proportional to 12,823.45, 19,222.38 and 6,147.63

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Solution

The fourth proportional to 12,823.45, 19,222.38 and 6,147.63 is: 9,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.45 : 19,222.38 = 6,147.63 : x
  2. Step 2: Convert to fraction form
    12,823.45/19,222.38 = 6,147.63/x
  3. Step 3: Cross multiply
    12,823.45x = 19,222.38 × 6,147.63
  4. Step 4: Simplify right side
    12,823.45x = 118,172,079.96
  5. Step 5: Solve for x
    x = 118,172,079.96/12,823.45
  6. Step 6: Final answer
    x = 9,215.31

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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.