Home / 13,207.25-19,817.37-5,309.44

Finding the Fourth Proportional to 13,207.25, 19,817.37 and 5,309.44

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Solution

The fourth proportional to 13,207.25, 19,817.37 and 5,309.44 is: 7,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.25 : 19,817.37 = 5,309.44 : x
  2. Step 2: Convert to fraction form
    13,207.25/19,817.37 = 5,309.44/x
  3. Step 3: Cross multiply
    13,207.25x = 19,817.37 × 5,309.44
  4. Step 4: Simplify right side
    13,207.25x = 105,219,087.43
  5. Step 5: Solve for x
    x = 105,219,087.43/13,207.25
  6. Step 6: Final answer
    x = 7,966.77

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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.