Home / 11,031.00-15,212.31-7,257.36

Finding the Fourth Proportional to 11,031.00, 15,212.31 and 7,257.36

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Solution

The fourth proportional to 11,031.00, 15,212.31 and 7,257.36 is: 10,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.00 : 15,212.31 = 7,257.36 : x
  2. Step 2: Convert to fraction form
    11,031.00/15,212.31 = 7,257.36/x
  3. Step 3: Cross multiply
    11,031.00x = 15,212.31 × 7,257.36
  4. Step 4: Simplify right side
    11,031.00x = 110,401,239.93
  5. Step 5: Solve for x
    x = 110,401,239.93/11,031.00
  6. Step 6: Final answer
    x = 10,008.27

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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.