Home / 11,577.43-15,976.78-6,272.25

Finding the Fourth Proportional to 11,577.43, 15,976.78 and 6,272.25

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Solution

The fourth proportional to 11,577.43, 15,976.78 and 6,272.25 is: 8,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.43 : 15,976.78 = 6,272.25 : x
  2. Step 2: Convert to fraction form
    11,577.43/15,976.78 = 6,272.25/x
  3. Step 3: Cross multiply
    11,577.43x = 15,976.78 × 6,272.25
  4. Step 4: Simplify right side
    11,577.43x = 100,210,358.36
  5. Step 5: Solve for x
    x = 100,210,358.36/11,577.43
  6. Step 6: Final answer
    x = 8,655.67

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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.