Home / 11,929.06-16,462.14-6,623.88

Finding the Fourth Proportional to 11,929.06, 16,462.14 and 6,623.88

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Solution

The fourth proportional to 11,929.06, 16,462.14 and 6,623.88 is: 9,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.06 : 16,462.14 = 6,623.88 : x
  2. Step 2: Convert to fraction form
    11,929.06/16,462.14 = 6,623.88/x
  3. Step 3: Cross multiply
    11,929.06x = 16,462.14 × 6,623.88
  4. Step 4: Simplify right side
    11,929.06x = 109,043,239.90
  5. Step 5: Solve for x
    x = 109,043,239.90/11,929.06
  6. Step 6: Final answer
    x = 9,140.98

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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.