Home / 12,534.08-18,800.43-4,213.24

Finding the Fourth Proportional to 12,534.08, 18,800.43 and 4,213.24

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Solution

The fourth proportional to 12,534.08, 18,800.43 and 4,213.24 is: 6,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.08 : 18,800.43 = 4,213.24 : x
  2. Step 2: Convert to fraction form
    12,534.08/18,800.43 = 4,213.24/x
  3. Step 3: Cross multiply
    12,534.08x = 18,800.43 × 4,213.24
  4. Step 4: Simplify right side
    12,534.08x = 79,210,723.69
  5. Step 5: Solve for x
    x = 79,210,723.69/12,534.08
  6. Step 6: Final answer
    x = 6,319.63

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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.