Home / 14,234.36-19,652.65-12,739.68

Finding the Fourth Proportional to 14,234.36, 19,652.65 and 12,739.68

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Solution

The fourth proportional to 14,234.36, 19,652.65 and 12,739.68 is: 17,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.36 : 19,652.65 = 12,739.68 : x
  2. Step 2: Convert to fraction form
    14,234.36/19,652.65 = 12,739.68/x
  3. Step 3: Cross multiply
    14,234.36x = 19,652.65 × 12,739.68
  4. Step 4: Simplify right side
    14,234.36x = 250,368,440.30
  5. Step 5: Solve for x
    x = 250,368,440.30/14,234.36
  6. Step 6: Final answer
    x = 17,589.03

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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.