Home / 14,704.20-20,291.38-8,416.36

Finding the Fourth Proportional to 14,704.20, 20,291.38 and 8,416.36

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Solution

The fourth proportional to 14,704.20, 20,291.38 and 8,416.36 is: 11,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.20 : 20,291.38 = 8,416.36 : x
  2. Step 2: Convert to fraction form
    14,704.20/20,291.38 = 8,416.36/x
  3. Step 3: Cross multiply
    14,704.20x = 20,291.38 × 8,416.36
  4. Step 4: Simplify right side
    14,704.20x = 170,779,558.98
  5. Step 5: Solve for x
    x = 170,779,558.98/14,704.20
  6. Step 6: Final answer
    x = 11,614.34

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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.