Home / 12,562.96-18,846.49-4,243.47

Finding the Fourth Proportional to 12,562.96, 18,846.49 and 4,243.47

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Solution

The fourth proportional to 12,562.96, 18,846.49 and 4,243.47 is: 6,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.96 : 18,846.49 = 4,243.47 : x
  2. Step 2: Convert to fraction form
    12,562.96/18,846.49 = 4,243.47/x
  3. Step 3: Cross multiply
    12,562.96x = 18,846.49 × 4,243.47
  4. Step 4: Simplify right side
    12,562.96x = 79,974,551.43
  5. Step 5: Solve for x
    x = 79,974,551.43/12,562.96
  6. Step 6: Final answer
    x = 6,365.90

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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.