Home / 12,786.06-19,176.03-4,886.94

Finding the Fourth Proportional to 12,786.06, 19,176.03 and 4,886.94

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Solution

The fourth proportional to 12,786.06, 19,176.03 and 4,886.94 is: 7,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.06 : 19,176.03 = 4,886.94 : x
  2. Step 2: Convert to fraction form
    12,786.06/19,176.03 = 4,886.94/x
  3. Step 3: Cross multiply
    12,786.06x = 19,176.03 × 4,886.94
  4. Step 4: Simplify right side
    12,786.06x = 93,712,108.05
  5. Step 5: Solve for x
    x = 93,712,108.05/12,786.06
  6. Step 6: Final answer
    x = 7,329.24

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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.