Home / 13,232-19,848.72-3,998.72

Finding the Fourth Proportional to 13,232, 19,848.72 and 3,998.72

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Solution

The fourth proportional to 13,232, 19,848.72 and 3,998.72 is: 5,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232 : 19,848.72 = 3,998.72 : x
  2. Step 2: Convert to fraction form
    13,232/19,848.72 = 3,998.72/x
  3. Step 3: Cross multiply
    13,232x = 19,848.72 × 3,998.72
  4. Step 4: Simplify right side
    13,232x = 79,369,473.64
  5. Step 5: Solve for x
    x = 79,369,473.64/13,232
  6. Step 6: Final answer
    x = 5,998.30

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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.