Home / 18,313.46-27,473.75-7,783.36

Finding the Fourth Proportional to 18,313.46, 27,473.75 and 7,783.36

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Solution

The fourth proportional to 18,313.46, 27,473.75 and 7,783.36 is: 11,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.46 : 27,473.75 = 7,783.36 : x
  2. Step 2: Convert to fraction form
    18,313.46/27,473.75 = 7,783.36/x
  3. Step 3: Cross multiply
    18,313.46x = 27,473.75 × 7,783.36
  4. Step 4: Simplify right side
    18,313.46x = 213,838,008.39
  5. Step 5: Solve for x
    x = 213,838,008.39/18,313.46
  6. Step 6: Final answer
    x = 11,676.55

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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.