Home / 11,203.44-16,785.66-7,864.60

Finding the Fourth Proportional to 11,203.44, 16,785.66 and 7,864.60

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Solution

The fourth proportional to 11,203.44, 16,785.66 and 7,864.60 is: 11,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.44 : 16,785.66 = 7,864.60 : x
  2. Step 2: Convert to fraction form
    11,203.44/16,785.66 = 7,864.60/x
  3. Step 3: Cross multiply
    11,203.44x = 16,785.66 × 7,864.60
  4. Step 4: Simplify right side
    11,203.44x = 132,012,501.64
  5. Step 5: Solve for x
    x = 132,012,501.64/11,203.44
  6. Step 6: Final answer
    x = 11,783.21

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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.