Home / 12,765.33-19,148.00-3,531.33

Finding the Fourth Proportional to 12,765.33, 19,148.00 and 3,531.33

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Solution

The fourth proportional to 12,765.33, 19,148.00 and 3,531.33 is: 5,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.33 : 19,148.00 = 3,531.33 : x
  2. Step 2: Convert to fraction form
    12,765.33/19,148.00 = 3,531.33/x
  3. Step 3: Cross multiply
    12,765.33x = 19,148.00 × 3,531.33
  4. Step 4: Simplify right side
    12,765.33x = 67,617,889.18
  5. Step 5: Solve for x
    x = 67,617,889.18/12,765.33
  6. Step 6: Final answer
    x = 5,297.00

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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.