Home / 12,256.48-16,907.92-8,005.60

Finding the Fourth Proportional to 12,256.48, 16,907.92 and 8,005.60

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Solution

The fourth proportional to 12,256.48, 16,907.92 and 8,005.60 is: 11,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.48 : 16,907.92 = 8,005.60 : x
  2. Step 2: Convert to fraction form
    12,256.48/16,907.92 = 8,005.60/x
  3. Step 3: Cross multiply
    12,256.48x = 16,907.92 × 8,005.60
  4. Step 4: Simplify right side
    12,256.48x = 135,358,044.35
  5. Step 5: Solve for x
    x = 135,358,044.35/12,256.48
  6. Step 6: Final answer
    x = 11,043.79

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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.