Home / 12,732.12-19,087.02-4,936.68

Finding the Fourth Proportional to 12,732.12, 19,087.02 and 4,936.68

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Solution

The fourth proportional to 12,732.12, 19,087.02 and 4,936.68 is: 7,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.12 : 19,087.02 = 4,936.68 : x
  2. Step 2: Convert to fraction form
    12,732.12/19,087.02 = 4,936.68/x
  3. Step 3: Cross multiply
    12,732.12x = 19,087.02 × 4,936.68
  4. Step 4: Simplify right side
    12,732.12x = 94,226,509.89
  5. Step 5: Solve for x
    x = 94,226,509.89/12,732.12
  6. Step 6: Final answer
    x = 7,400.69

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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.