Home / 12,313.98-18,473.73-4,921.92

Finding the Fourth Proportional to 12,313.98, 18,473.73 and 4,921.92

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Solution

The fourth proportional to 12,313.98, 18,473.73 and 4,921.92 is: 7,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.98 : 18,473.73 = 4,921.92 : x
  2. Step 2: Convert to fraction form
    12,313.98/18,473.73 = 4,921.92/x
  3. Step 3: Cross multiply
    12,313.98x = 18,473.73 × 4,921.92
  4. Step 4: Simplify right side
    12,313.98x = 90,926,221.16
  5. Step 5: Solve for x
    x = 90,926,221.16/12,313.98
  6. Step 6: Final answer
    x = 7,383.98

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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.