Home / 13,623.26-18,807.81-8,847.47

Finding the Fourth Proportional to 13,623.26, 18,807.81 and 8,847.47

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Solution

The fourth proportional to 13,623.26, 18,807.81 and 8,847.47 is: 12,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.26 : 18,807.81 = 8,847.47 : x
  2. Step 2: Convert to fraction form
    13,623.26/18,807.81 = 8,847.47/x
  3. Step 3: Cross multiply
    13,623.26x = 18,807.81 × 8,847.47
  4. Step 4: Simplify right side
    13,623.26x = 166,401,548.58
  5. Step 5: Solve for x
    x = 166,401,548.58/13,623.26
  6. Step 6: Final answer
    x = 12,214.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.