Home / 12,708.36-19,051.16-6,464.88

Finding the Fourth Proportional to 12,708.36, 19,051.16 and 6,464.88

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Solution

The fourth proportional to 12,708.36, 19,051.16 and 6,464.88 is: 9,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.36 : 19,051.16 = 6,464.88 : x
  2. Step 2: Convert to fraction form
    12,708.36/19,051.16 = 6,464.88/x
  3. Step 3: Cross multiply
    12,708.36x = 19,051.16 × 6,464.88
  4. Step 4: Simplify right side
    12,708.36x = 123,163,463.26
  5. Step 5: Solve for x
    x = 123,163,463.26/12,708.36
  6. Step 6: Final answer
    x = 9,691.53

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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.