Home / 11,277.75-15,564.03-6,309.75

Finding the Fourth Proportional to 11,277.75, 15,564.03 and 6,309.75

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Solution

The fourth proportional to 11,277.75, 15,564.03 and 6,309.75 is: 8,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.75 : 15,564.03 = 6,309.75 : x
  2. Step 2: Convert to fraction form
    11,277.75/15,564.03 = 6,309.75/x
  3. Step 3: Cross multiply
    11,277.75x = 15,564.03 × 6,309.75
  4. Step 4: Simplify right side
    11,277.75x = 98,205,138.29
  5. Step 5: Solve for x
    x = 98,205,138.29/11,277.75
  6. Step 6: Final answer
    x = 8,707.87

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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.