Home / 11,215.36-15,476.96-6,500.48

Finding the Fourth Proportional to 11,215.36, 15,476.96 and 6,500.48

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Solution

The fourth proportional to 11,215.36, 15,476.96 and 6,500.48 is: 8,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.36 : 15,476.96 = 6,500.48 : x
  2. Step 2: Convert to fraction form
    11,215.36/15,476.96 = 6,500.48/x
  3. Step 3: Cross multiply
    11,215.36x = 15,476.96 × 6,500.48
  4. Step 4: Simplify right side
    11,215.36x = 100,607,668.94
  5. Step 5: Solve for x
    x = 100,607,668.94/11,215.36
  6. Step 6: Final answer
    x = 8,970.53

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Similar ratio
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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.