Home / 19,738.65-27,257.53-12,677.37

Finding the Fourth Proportional to 19,738.65, 27,257.53 and 12,677.37

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Solution

The fourth proportional to 19,738.65, 27,257.53 and 12,677.37 is: 17,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.65 : 27,257.53 = 12,677.37 : x
  2. Step 2: Convert to fraction form
    19,738.65/27,257.53 = 12,677.37/x
  3. Step 3: Cross multiply
    19,738.65x = 27,257.53 × 12,677.37
  4. Step 4: Simplify right side
    19,738.65x = 345,553,793.10
  5. Step 5: Solve for x
    x = 345,553,793.10/19,738.65
  6. Step 6: Final answer
    x = 17,506.46

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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.