Home / 12,837.64-19,256.46-5,912.20

Finding the Fourth Proportional to 12,837.64, 19,256.46 and 5,912.20

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Solution

The fourth proportional to 12,837.64, 19,256.46 and 5,912.20 is: 8,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.64 : 19,256.46 = 5,912.20 : x
  2. Step 2: Convert to fraction form
    12,837.64/19,256.46 = 5,912.20/x
  3. Step 3: Cross multiply
    12,837.64x = 19,256.46 × 5,912.20
  4. Step 4: Simplify right side
    12,837.64x = 113,848,042.81
  5. Step 5: Solve for x
    x = 113,848,042.81/12,837.64
  6. Step 6: Final answer
    x = 8,868.30

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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.