Home / 12,905.06-19,357.60-3,671.06

Finding the Fourth Proportional to 12,905.06, 19,357.60 and 3,671.06

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Solution

The fourth proportional to 12,905.06, 19,357.60 and 3,671.06 is: 5,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.06 : 19,357.60 = 3,671.06 : x
  2. Step 2: Convert to fraction form
    12,905.06/19,357.60 = 3,671.06/x
  3. Step 3: Cross multiply
    12,905.06x = 19,357.60 × 3,671.06
  4. Step 4: Simplify right side
    12,905.06x = 71,062,950.27
  5. Step 5: Solve for x
    x = 71,062,950.27/12,905.06
  6. Step 6: Final answer
    x = 5,506.59

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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.