Home / 12,255.65-16,907.89-8,005.26

Finding the Fourth Proportional to 12,255.65, 16,907.89 and 8,005.26

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Solution

The fourth proportional to 12,255.65, 16,907.89 and 8,005.26 is: 11,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.65 : 16,907.89 = 8,005.26 : x
  2. Step 2: Convert to fraction form
    12,255.65/16,907.89 = 8,005.26/x
  3. Step 3: Cross multiply
    12,255.65x = 16,907.89 × 8,005.26
  4. Step 4: Simplify right side
    12,255.65x = 135,352,055.50
  5. Step 5: Solve for x
    x = 135,352,055.50/12,255.65
  6. Step 6: Final answer
    x = 11,044.05

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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.