Home / 11,981.36-16,533.64-6,675.66

Finding the Fourth Proportional to 11,981.36, 16,533.64 and 6,675.66

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Solution

The fourth proportional to 11,981.36, 16,533.64 and 6,675.66 is: 9,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.36 : 16,533.64 = 6,675.66 : x
  2. Step 2: Convert to fraction form
    11,981.36/16,533.64 = 6,675.66/x
  3. Step 3: Cross multiply
    11,981.36x = 16,533.64 × 6,675.66
  4. Step 4: Simplify right side
    11,981.36x = 110,372,959.20
  5. Step 5: Solve for x
    x = 110,372,959.20/11,981.36
  6. Step 6: Final answer
    x = 9,212.06

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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.