Home / 11,289.11-15,577.76-6,253.20

Finding the Fourth Proportional to 11,289.11, 15,577.76 and 6,253.20

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Solution

The fourth proportional to 11,289.11, 15,577.76 and 6,253.20 is: 8,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.11 : 15,577.76 = 6,253.20 : x
  2. Step 2: Convert to fraction form
    11,289.11/15,577.76 = 6,253.20/x
  3. Step 3: Cross multiply
    11,289.11x = 15,577.76 × 6,253.20
  4. Step 4: Simplify right side
    11,289.11x = 97,410,817.57
  5. Step 5: Solve for x
    x = 97,410,817.57/11,289.11
  6. Step 6: Final answer
    x = 8,628.75

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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.