Home / 8,125.73-12,170.10-6,359.72

Finding the Fourth Proportional to 8,125.73, 12,170.10 and 6,359.72

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Solution

The fourth proportional to 8,125.73, 12,170.10 and 6,359.72 is: 9,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.73 : 12,170.10 = 6,359.72 : x
  2. Step 2: Convert to fraction form
    8,125.73/12,170.10 = 6,359.72/x
  3. Step 3: Cross multiply
    8,125.73x = 12,170.10 × 6,359.72
  4. Step 4: Simplify right side
    8,125.73x = 77,398,428.37
  5. Step 5: Solve for x
    x = 77,398,428.37/8,125.73
  6. Step 6: Final answer
    x = 9,525.10

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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.