Home / 36,783.52-55,162.31-11,815.13

Finding the Fourth Proportional to 36,783.52, 55,162.31 and 11,815.13

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Solution

The fourth proportional to 36,783.52, 55,162.31 and 11,815.13 is: 17,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.52 : 55,162.31 = 11,815.13 : x
  2. Step 2: Convert to fraction form
    36,783.52/55,162.31 = 11,815.13/x
  3. Step 3: Cross multiply
    36,783.52x = 55,162.31 × 11,815.13
  4. Step 4: Simplify right side
    36,783.52x = 651,749,942.58
  5. Step 5: Solve for x
    x = 651,749,942.58/36,783.52
  6. Step 6: Final answer
    x = 17,718.53

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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.