Home / 12,947.96-19,380.16-6,699.37

Finding the Fourth Proportional to 12,947.96, 19,380.16 and 6,699.37

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Solution

The fourth proportional to 12,947.96, 19,380.16 and 6,699.37 is: 10,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.96 : 19,380.16 = 6,699.37 : x
  2. Step 2: Convert to fraction form
    12,947.96/19,380.16 = 6,699.37/x
  3. Step 3: Cross multiply
    12,947.96x = 19,380.16 × 6,699.37
  4. Step 4: Simplify right side
    12,947.96x = 129,834,862.50
  5. Step 5: Solve for x
    x = 129,834,862.50/12,947.96
  6. Step 6: Final answer
    x = 10,027.44

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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.