Home / 11,856.81-17,786.25-4,837.35

Finding the Fourth Proportional to 11,856.81, 17,786.25 and 4,837.35

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Solution

The fourth proportional to 11,856.81, 17,786.25 and 4,837.35 is: 7,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.81 : 17,786.25 = 4,837.35 : x
  2. Step 2: Convert to fraction form
    11,856.81/17,786.25 = 4,837.35/x
  3. Step 3: Cross multiply
    11,856.81x = 17,786.25 × 4,837.35
  4. Step 4: Simplify right side
    11,856.81x = 86,038,316.44
  5. Step 5: Solve for x
    x = 86,038,316.44/11,856.81
  6. Step 6: Final answer
    x = 7,256.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.