Home / 12,395.03-18,586.50-8,648.62

Finding the Fourth Proportional to 12,395.03, 18,586.50 and 8,648.62

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Solution

The fourth proportional to 12,395.03, 18,586.50 and 8,648.62 is: 12,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.03 : 18,586.50 = 8,648.62 : x
  2. Step 2: Convert to fraction form
    12,395.03/18,586.50 = 8,648.62/x
  3. Step 3: Cross multiply
    12,395.03x = 18,586.50 × 8,648.62
  4. Step 4: Simplify right side
    12,395.03x = 160,747,575.63
  5. Step 5: Solve for x
    x = 160,747,575.63/12,395.03
  6. Step 6: Final answer
    x = 12,968.71

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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.