Home / 12,485.73-18,729.21-4,693.94

Finding the Fourth Proportional to 12,485.73, 18,729.21 and 4,693.94

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Solution

The fourth proportional to 12,485.73, 18,729.21 and 4,693.94 is: 7,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.73 : 18,729.21 = 4,693.94 : x
  2. Step 2: Convert to fraction form
    12,485.73/18,729.21 = 4,693.94/x
  3. Step 3: Cross multiply
    12,485.73x = 18,729.21 × 4,693.94
  4. Step 4: Simplify right side
    12,485.73x = 87,913,787.99
  5. Step 5: Solve for x
    x = 87,913,787.99/12,485.73
  6. Step 6: Final answer
    x = 7,041.14

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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.