Home / 8,513.64-12,769.38-6,325.56

Finding the Fourth Proportional to 8,513.64, 12,769.38 and 6,325.56

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Solution

The fourth proportional to 8,513.64, 12,769.38 and 6,325.56 is: 9,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.64 : 12,769.38 = 6,325.56 : x
  2. Step 2: Convert to fraction form
    8,513.64/12,769.38 = 6,325.56/x
  3. Step 3: Cross multiply
    8,513.64x = 12,769.38 × 6,325.56
  4. Step 4: Simplify right side
    8,513.64x = 80,773,479.35
  5. Step 5: Solve for x
    x = 80,773,479.35/8,513.64
  6. Step 6: Final answer
    x = 9,487.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.