Home / 13,239.96-19,829.70-6,319.32

Finding the Fourth Proportional to 13,239.96, 19,829.70 and 6,319.32

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Solution

The fourth proportional to 13,239.96, 19,829.70 and 6,319.32 is: 9,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.96 : 19,829.70 = 6,319.32 : x
  2. Step 2: Convert to fraction form
    13,239.96/19,829.70 = 6,319.32/x
  3. Step 3: Cross multiply
    13,239.96x = 19,829.70 × 6,319.32
  4. Step 4: Simplify right side
    13,239.96x = 125,310,219.80
  5. Step 5: Solve for x
    x = 125,310,219.80/13,239.96
  6. Step 6: Final answer
    x = 9,464.55

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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.