Home / 12,056.67-18,112.80-11,558.45

Finding the Fourth Proportional to 12,056.67, 18,112.80 and 11,558.45

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Solution

The fourth proportional to 12,056.67, 18,112.80 and 11,558.45 is: 17,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.67 : 18,112.80 = 11,558.45 : x
  2. Step 2: Convert to fraction form
    12,056.67/18,112.80 = 11,558.45/x
  3. Step 3: Cross multiply
    12,056.67x = 18,112.80 × 11,558.45
  4. Step 4: Simplify right side
    12,056.67x = 209,355,961.08
  5. Step 5: Solve for x
    x = 209,355,961.08/12,056.67
  6. Step 6: Final answer
    x = 17,364.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.