Home / 12,896.08-19,343.80-4,130.64

Finding the Fourth Proportional to 12,896.08, 19,343.80 and 4,130.64

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Solution

The fourth proportional to 12,896.08, 19,343.80 and 4,130.64 is: 6,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.08 : 19,343.80 = 4,130.64 : x
  2. Step 2: Convert to fraction form
    12,896.08/19,343.80 = 4,130.64/x
  3. Step 3: Cross multiply
    12,896.08x = 19,343.80 × 4,130.64
  4. Step 4: Simplify right side
    12,896.08x = 79,902,274.03
  5. Step 5: Solve for x
    x = 79,902,274.03/12,896.08
  6. Step 6: Final answer
    x = 6,195.86

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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.