Home / 12,565.37-18,848.70-3,205.47

Finding the Fourth Proportional to 12,565.37, 18,848.70 and 3,205.47

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Solution

The fourth proportional to 12,565.37, 18,848.70 and 3,205.47 is: 4,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.37 : 18,848.70 = 3,205.47 : x
  2. Step 2: Convert to fraction form
    12,565.37/18,848.70 = 3,205.47/x
  3. Step 3: Cross multiply
    12,565.37x = 18,848.70 × 3,205.47
  4. Step 4: Simplify right side
    12,565.37x = 60,418,895.27
  5. Step 5: Solve for x
    x = 60,418,895.27/12,565.37
  6. Step 6: Final answer
    x = 4,808.37

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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.