Home / 12,248.28-18,383.09-6,993.81

Finding the Fourth Proportional to 12,248.28, 18,383.09 and 6,993.81

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Solution

The fourth proportional to 12,248.28, 18,383.09 and 6,993.81 is: 10,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.28 : 18,383.09 = 6,993.81 : x
  2. Step 2: Convert to fraction form
    12,248.28/18,383.09 = 6,993.81/x
  3. Step 3: Cross multiply
    12,248.28x = 18,383.09 × 6,993.81
  4. Step 4: Simplify right side
    12,248.28x = 128,567,803.70
  5. Step 5: Solve for x
    x = 128,567,803.70/12,248.28
  6. Step 6: Final answer
    x = 10,496.80

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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.