Home / 12,854.82-19,283.79-4,533.12

Finding the Fourth Proportional to 12,854.82, 19,283.79 and 4,533.12

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Solution

The fourth proportional to 12,854.82, 19,283.79 and 4,533.12 is: 6,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.82 : 19,283.79 = 4,533.12 : x
  2. Step 2: Convert to fraction form
    12,854.82/19,283.79 = 4,533.12/x
  3. Step 3: Cross multiply
    12,854.82x = 19,283.79 × 4,533.12
  4. Step 4: Simplify right side
    12,854.82x = 87,415,734.12
  5. Step 5: Solve for x
    x = 87,415,734.12/12,854.82
  6. Step 6: Final answer
    x = 6,800.23

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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.