Home / 11,290.24-15,580.53-6,185.78

Finding the Fourth Proportional to 11,290.24, 15,580.53 and 6,185.78

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Solution

The fourth proportional to 11,290.24, 15,580.53 and 6,185.78 is: 8,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.24 : 15,580.53 = 6,185.78 : x
  2. Step 2: Convert to fraction form
    11,290.24/15,580.53 = 6,185.78/x
  3. Step 3: Cross multiply
    11,290.24x = 15,580.53 × 6,185.78
  4. Step 4: Simplify right side
    11,290.24x = 96,377,637.50
  5. Step 5: Solve for x
    x = 96,377,637.50/11,290.24
  6. Step 6: Final answer
    x = 8,536.37

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Double scale
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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.