Home / 12,453.38-18,681.94-4,447.54

Finding the Fourth Proportional to 12,453.38, 18,681.94 and 4,447.54

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Solution

The fourth proportional to 12,453.38, 18,681.94 and 4,447.54 is: 6,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.38 : 18,681.94 = 4,447.54 : x
  2. Step 2: Convert to fraction form
    12,453.38/18,681.94 = 4,447.54/x
  3. Step 3: Cross multiply
    12,453.38x = 18,681.94 × 4,447.54
  4. Step 4: Simplify right side
    12,453.38x = 83,088,704.34
  5. Step 5: Solve for x
    x = 83,088,704.34/12,453.38
  6. Step 6: Final answer
    x = 6,671.98

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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.