Home / 14,614.43-20,167.63-8,240.91

Finding the Fourth Proportional to 14,614.43, 20,167.63 and 8,240.91

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Solution

The fourth proportional to 14,614.43, 20,167.63 and 8,240.91 is: 11,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.43 : 20,167.63 = 8,240.91 : x
  2. Step 2: Convert to fraction form
    14,614.43/20,167.63 = 8,240.91/x
  3. Step 3: Cross multiply
    14,614.43x = 20,167.63 × 8,240.91
  4. Step 4: Simplify right side
    14,614.43x = 166,199,744.03
  5. Step 5: Solve for x
    x = 166,199,744.03/14,614.43
  6. Step 6: Final answer
    x = 11,372.31

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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.