Home / 12,947.37-19,421.30-4,062.51

Finding the Fourth Proportional to 12,947.37, 19,421.30 and 4,062.51

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Solution

The fourth proportional to 12,947.37, 19,421.30 and 4,062.51 is: 6,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.37 : 19,421.30 = 4,062.51 : x
  2. Step 2: Convert to fraction form
    12,947.37/19,421.30 = 4,062.51/x
  3. Step 3: Cross multiply
    12,947.37x = 19,421.30 × 4,062.51
  4. Step 4: Simplify right side
    12,947.37x = 78,899,235.62
  5. Step 5: Solve for x
    x = 78,899,235.62/12,947.37
  6. Step 6: Final answer
    x = 6,093.84

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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.