Home / 12,488.31-18,733.55-5,093.28

Finding the Fourth Proportional to 12,488.31, 18,733.55 and 5,093.28

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Solution

The fourth proportional to 12,488.31, 18,733.55 and 5,093.28 is: 7,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.31 : 18,733.55 = 5,093.28 : x
  2. Step 2: Convert to fraction form
    12,488.31/18,733.55 = 5,093.28/x
  3. Step 3: Cross multiply
    12,488.31x = 18,733.55 × 5,093.28
  4. Step 4: Simplify right side
    12,488.31x = 95,415,190.08
  5. Step 5: Solve for x
    x = 95,415,190.08/12,488.31
  6. Step 6: Final answer
    x = 7,640.36

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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.