Home / 11,054.18-15,239.76-7,511.24

Finding the Fourth Proportional to 11,054.18, 15,239.76 and 7,511.24

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Solution

The fourth proportional to 11,054.18, 15,239.76 and 7,511.24 is: 10,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.18 : 15,239.76 = 7,511.24 : x
  2. Step 2: Convert to fraction form
    11,054.18/15,239.76 = 7,511.24/x
  3. Step 3: Cross multiply
    11,054.18x = 15,239.76 × 7,511.24
  4. Step 4: Simplify right side
    11,054.18x = 114,469,494.90
  5. Step 5: Solve for x
    x = 114,469,494.90/11,054.18
  6. Step 6: Final answer
    x = 10,355.31

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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.