Home / 12,810.45-19,215.60-5,963.19

Finding the Fourth Proportional to 12,810.45, 19,215.60 and 5,963.19

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Solution

The fourth proportional to 12,810.45, 19,215.60 and 5,963.19 is: 8,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.45 : 19,215.60 = 5,963.19 : x
  2. Step 2: Convert to fraction form
    12,810.45/19,215.60 = 5,963.19/x
  3. Step 3: Cross multiply
    12,810.45x = 19,215.60 × 5,963.19
  4. Step 4: Simplify right side
    12,810.45x = 114,586,273.76
  5. Step 5: Solve for x
    x = 114,586,273.76/12,810.45
  6. Step 6: Final answer
    x = 8,944.75

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Similar ratio
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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.