Home / 12,877.97-19,314.67-5,856.33

Finding the Fourth Proportional to 12,877.97, 19,314.67 and 5,856.33

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Solution

The fourth proportional to 12,877.97, 19,314.67 and 5,856.33 is: 8,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.97 : 19,314.67 = 5,856.33 : x
  2. Step 2: Convert to fraction form
    12,877.97/19,314.67 = 5,856.33/x
  3. Step 3: Cross multiply
    12,877.97x = 19,314.67 × 5,856.33
  4. Step 4: Simplify right side
    12,877.97x = 113,113,081.36
  5. Step 5: Solve for x
    x = 113,113,081.36/12,877.97
  6. Step 6: Final answer
    x = 8,783.46

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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.