Home / 12,335.23-17,136.73-12,219.94

Finding the Fourth Proportional to 12,335.23, 17,136.73 and 12,219.94

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Solution

The fourth proportional to 12,335.23, 17,136.73 and 12,219.94 is: 16,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.23 : 17,136.73 = 12,219.94 : x
  2. Step 2: Convert to fraction form
    12,335.23/17,136.73 = 12,219.94/x
  3. Step 3: Cross multiply
    12,335.23x = 17,136.73 × 12,219.94
  4. Step 4: Simplify right side
    12,335.23x = 209,409,812.40
  5. Step 5: Solve for x
    x = 209,409,812.40/12,335.23
  6. Step 6: Final answer
    x = 16,976.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.