Home / 12,145.90-16,652.09-11,924.50

Finding the Fourth Proportional to 12,145.90, 16,652.09 and 11,924.50

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Solution

The fourth proportional to 12,145.90, 16,652.09 and 11,924.50 is: 16,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.90 : 16,652.09 = 11,924.50 : x
  2. Step 2: Convert to fraction form
    12,145.90/16,652.09 = 11,924.50/x
  3. Step 3: Cross multiply
    12,145.90x = 16,652.09 × 11,924.50
  4. Step 4: Simplify right side
    12,145.90x = 198,567,763.94
  5. Step 5: Solve for x
    x = 198,567,763.94/12,145.90
  6. Step 6: Final answer
    x = 16,348.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.