Home / 11,980.80-16,533.53-6,675.81

Finding the Fourth Proportional to 11,980.80, 16,533.53 and 6,675.81

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Solution

The fourth proportional to 11,980.80, 16,533.53 and 6,675.81 is: 9,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.80 : 16,533.53 = 6,675.81 : x
  2. Step 2: Convert to fraction form
    11,980.80/16,533.53 = 6,675.81/x
  3. Step 3: Cross multiply
    11,980.80x = 16,533.53 × 6,675.81
  4. Step 4: Simplify right side
    11,980.80x = 110,374,671.53
  5. Step 5: Solve for x
    x = 110,374,671.53/11,980.80
  6. Step 6: Final answer
    x = 9,212.63

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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.