Home / 18,814.02-28,213.88-6,160.83

Finding the Fourth Proportional to 18,814.02, 28,213.88 and 6,160.83

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Solution

The fourth proportional to 18,814.02, 28,213.88 and 6,160.83 is: 9,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.02 : 28,213.88 = 6,160.83 : x
  2. Step 2: Convert to fraction form
    18,814.02/28,213.88 = 6,160.83/x
  3. Step 3: Cross multiply
    18,814.02x = 28,213.88 × 6,160.83
  4. Step 4: Simplify right side
    18,814.02x = 173,820,887.52
  5. Step 5: Solve for x
    x = 173,820,887.52/18,814.02
  6. Step 6: Final answer
    x = 9,238.90

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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.