Home / 14,218.11-21,319.86-8,296.86

Finding the Fourth Proportional to 14,218.11, 21,319.86 and 8,296.86

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Solution

The fourth proportional to 14,218.11, 21,319.86 and 8,296.86 is: 12,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.11 : 21,319.86 = 8,296.86 : x
  2. Step 2: Convert to fraction form
    14,218.11/21,319.86 = 8,296.86/x
  3. Step 3: Cross multiply
    14,218.11x = 21,319.86 × 8,296.86
  4. Step 4: Simplify right side
    14,218.11x = 176,887,893.64
  5. Step 5: Solve for x
    x = 176,887,893.64/14,218.11
  6. Step 6: Final answer
    x = 12,441.03

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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.