Home / 12,947.14-19,427.16-5,927.14

Finding the Fourth Proportional to 12,947.14, 19,427.16 and 5,927.14

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Solution

The fourth proportional to 12,947.14, 19,427.16 and 5,927.14 is: 8,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.14 : 19,427.16 = 5,927.14 : x
  2. Step 2: Convert to fraction form
    12,947.14/19,427.16 = 5,927.14/x
  3. Step 3: Cross multiply
    12,947.14x = 19,427.16 × 5,927.14
  4. Step 4: Simplify right side
    12,947.14x = 115,147,497.12
  5. Step 5: Solve for x
    x = 115,147,497.12/12,947.14
  6. Step 6: Final answer
    x = 8,893.66

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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.