Home / 11,231.35-15,490.51-7,253.44

Finding the Fourth Proportional to 11,231.35, 15,490.51 and 7,253.44

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Solution

The fourth proportional to 11,231.35, 15,490.51 and 7,253.44 is: 10,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.35 : 15,490.51 = 7,253.44 : x
  2. Step 2: Convert to fraction form
    11,231.35/15,490.51 = 7,253.44/x
  3. Step 3: Cross multiply
    11,231.35x = 15,490.51 × 7,253.44
  4. Step 4: Simplify right side
    11,231.35x = 112,359,484.85
  5. Step 5: Solve for x
    x = 112,359,484.85/11,231.35
  6. Step 6: Final answer
    x = 10,004.09

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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.