Home / 12,542.24-18,814.29-4,222.22

Finding the Fourth Proportional to 12,542.24, 18,814.29 and 4,222.22

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Solution

The fourth proportional to 12,542.24, 18,814.29 and 4,222.22 is: 6,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.24 : 18,814.29 = 4,222.22 : x
  2. Step 2: Convert to fraction form
    12,542.24/18,814.29 = 4,222.22/x
  3. Step 3: Cross multiply
    12,542.24x = 18,814.29 × 4,222.22
  4. Step 4: Simplify right side
    12,542.24x = 79,438,071.52
  5. Step 5: Solve for x
    x = 79,438,071.52/12,542.24
  6. Step 6: Final answer
    x = 6,333.64

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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.