Home / 11,976.30-16,526.97-6,670.80

Finding the Fourth Proportional to 11,976.30, 16,526.97 and 6,670.80

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Solution

The fourth proportional to 11,976.30, 16,526.97 and 6,670.80 is: 9,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.30 : 16,526.97 = 6,670.80 : x
  2. Step 2: Convert to fraction form
    11,976.30/16,526.97 = 6,670.80/x
  3. Step 3: Cross multiply
    11,976.30x = 16,526.97 × 6,670.80
  4. Step 4: Simplify right side
    11,976.30x = 110,248,111.48
  5. Step 5: Solve for x
    x = 110,248,111.48/11,976.30
  6. Step 6: Final answer
    x = 9,205.52

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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.