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Finding the Fourth Proportional to 11,277.59, 15,563.03 and 6,309.59

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Solution

The fourth proportional to 11,277.59, 15,563.03 and 6,309.59 is: 8,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.59 : 15,563.03 = 6,309.59 : x
  2. Step 2: Convert to fraction form
    11,277.59/15,563.03 = 6,309.59/x
  3. Step 3: Cross multiply
    11,277.59x = 15,563.03 × 6,309.59
  4. Step 4: Simplify right side
    11,277.59x = 98,196,229.09
  5. Step 5: Solve for x
    x = 98,196,229.09/11,277.59
  6. Step 6: Final answer
    x = 8,707.20

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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.