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Finding the Fourth Proportional to 8,950.41, 13,406.85 and 8,637.39

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Solution

The fourth proportional to 8,950.41, 13,406.85 and 8,637.39 is: 12,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.41 : 13,406.85 = 8,637.39 : x
  2. Step 2: Convert to fraction form
    8,950.41/13,406.85 = 8,637.39/x
  3. Step 3: Cross multiply
    8,950.41x = 13,406.85 × 8,637.39
  4. Step 4: Simplify right side
    8,950.41x = 115,800,192.12
  5. Step 5: Solve for x
    x = 115,800,192.12/8,950.41
  6. Step 6: Final answer
    x = 12,937.98

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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.