Home / 13,895.68-20,848.32-8,695.36

Finding the Fourth Proportional to 13,895.68, 20,848.32 and 8,695.36

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Solution

The fourth proportional to 13,895.68, 20,848.32 and 8,695.36 is: 13,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.68 : 20,848.32 = 8,695.36 : x
  2. Step 2: Convert to fraction form
    13,895.68/20,848.32 = 8,695.36/x
  3. Step 3: Cross multiply
    13,895.68x = 20,848.32 × 8,695.36
  4. Step 4: Simplify right side
    13,895.68x = 181,283,647.80
  5. Step 5: Solve for x
    x = 181,283,647.80/13,895.68
  6. Step 6: Final answer
    x = 13,046.04

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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.