Home / 13,239.36-19,849.32-6,318.72

Finding the Fourth Proportional to 13,239.36, 19,849.32 and 6,318.72

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Solution

The fourth proportional to 13,239.36, 19,849.32 and 6,318.72 is: 9,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.36 : 19,849.32 = 6,318.72 : x
  2. Step 2: Convert to fraction form
    13,239.36/19,849.32 = 6,318.72/x
  3. Step 3: Cross multiply
    13,239.36x = 19,849.32 × 6,318.72
  4. Step 4: Simplify right side
    13,239.36x = 125,422,295.27
  5. Step 5: Solve for x
    x = 125,422,295.27/13,239.36
  6. Step 6: Final answer
    x = 9,473.44

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1.5x scale

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.