Home / 8,475.14-12,717.23-6,380.75

Finding the Fourth Proportional to 8,475.14, 12,717.23 and 6,380.75

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Solution

The fourth proportional to 8,475.14, 12,717.23 and 6,380.75 is: 9,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.14 : 12,717.23 = 6,380.75 : x
  2. Step 2: Convert to fraction form
    8,475.14/12,717.23 = 6,380.75/x
  3. Step 3: Cross multiply
    8,475.14x = 12,717.23 × 6,380.75
  4. Step 4: Simplify right side
    8,475.14x = 81,145,369.83
  5. Step 5: Solve for x
    x = 81,145,369.83/8,475.14
  6. Step 6: Final answer
    x = 9,574.52

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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.