Home / 12,699.36-19,050.24-4,908

Finding the Fourth Proportional to 12,699.36, 19,050.24 and 4,908

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Solution

The fourth proportional to 12,699.36, 19,050.24 and 4,908 is: 7,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.36 : 19,050.24 = 4,908 : x
  2. Step 2: Convert to fraction form
    12,699.36/19,050.24 = 4,908/x
  3. Step 3: Cross multiply
    12,699.36x = 19,050.24 × 4,908
  4. Step 4: Simplify right side
    12,699.36x = 93,498,577.92
  5. Step 5: Solve for x
    x = 93,498,577.92/12,699.36
  6. Step 6: Final answer
    x = 7,362.46

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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.