Home / 12,588.44-17,373.38-7,211.31

Finding the Fourth Proportional to 12,588.44, 17,373.38 and 7,211.31

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Solution

The fourth proportional to 12,588.44, 17,373.38 and 7,211.31 is: 9,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.44 : 17,373.38 = 7,211.31 : x
  2. Step 2: Convert to fraction form
    12,588.44/17,373.38 = 7,211.31/x
  3. Step 3: Cross multiply
    12,588.44x = 17,373.38 × 7,211.31
  4. Step 4: Simplify right side
    12,588.44x = 125,284,846.96
  5. Step 5: Solve for x
    x = 125,284,846.96/12,588.44
  6. Step 6: Final answer
    x = 9,952.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.