Home / 8,632.36-12,912.90-6,536.62

Finding the Fourth Proportional to 8,632.36, 12,912.90 and 6,536.62

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Solution

The fourth proportional to 8,632.36, 12,912.90 and 6,536.62 is: 9,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.36 : 12,912.90 = 6,536.62 : x
  2. Step 2: Convert to fraction form
    8,632.36/12,912.90 = 6,536.62/x
  3. Step 3: Cross multiply
    8,632.36x = 12,912.90 × 6,536.62
  4. Step 4: Simplify right side
    8,632.36x = 84,406,720.40
  5. Step 5: Solve for x
    x = 84,406,720.40/8,632.36
  6. Step 6: Final answer
    x = 9,777.94

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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.