Home / 8,753.55-13,112.81-6,675.63

Finding the Fourth Proportional to 8,753.55, 13,112.81 and 6,675.63

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Solution

The fourth proportional to 8,753.55, 13,112.81 and 6,675.63 is: 10,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.55 : 13,112.81 = 6,675.63 : x
  2. Step 2: Convert to fraction form
    8,753.55/13,112.81 = 6,675.63/x
  3. Step 3: Cross multiply
    8,753.55x = 13,112.81 × 6,675.63
  4. Step 4: Simplify right side
    8,753.55x = 87,536,234.44
  5. Step 5: Solve for x
    x = 87,536,234.44/8,753.55
  6. Step 6: Final answer
    x = 10,000.08

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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.