Home / 10,949.81-15,110.75-6,234.09

Finding the Fourth Proportional to 10,949.81, 15,110.75 and 6,234.09

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Solution

The fourth proportional to 10,949.81, 15,110.75 and 6,234.09 is: 8,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.81 : 15,110.75 = 6,234.09 : x
  2. Step 2: Convert to fraction form
    10,949.81/15,110.75 = 6,234.09/x
  3. Step 3: Cross multiply
    10,949.81x = 15,110.75 × 6,234.09
  4. Step 4: Simplify right side
    10,949.81x = 94,201,775.47
  5. Step 5: Solve for x
    x = 94,201,775.47/10,949.81
  6. Step 6: Final answer
    x = 8,603.05

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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.