Home / 12,284.73-18,438.03-4,903.74

Finding the Fourth Proportional to 12,284.73, 18,438.03 and 4,903.74

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Solution

The fourth proportional to 12,284.73, 18,438.03 and 4,903.74 is: 7,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.73 : 18,438.03 = 4,903.74 : x
  2. Step 2: Convert to fraction form
    12,284.73/18,438.03 = 4,903.74/x
  3. Step 3: Cross multiply
    12,284.73x = 18,438.03 × 4,903.74
  4. Step 4: Simplify right side
    12,284.73x = 90,415,305.23
  5. Step 5: Solve for x
    x = 90,415,305.23/12,284.73
  6. Step 6: Final answer
    x = 7,359.97

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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.