Home / 12,814.34-19,221.63-4,494.55

Finding the Fourth Proportional to 12,814.34, 19,221.63 and 4,494.55

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Solution

The fourth proportional to 12,814.34, 19,221.63 and 4,494.55 is: 6,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.34 : 19,221.63 = 4,494.55 : x
  2. Step 2: Convert to fraction form
    12,814.34/19,221.63 = 4,494.55/x
  3. Step 3: Cross multiply
    12,814.34x = 19,221.63 × 4,494.55
  4. Step 4: Simplify right side
    12,814.34x = 86,392,577.12
  5. Step 5: Solve for x
    x = 86,392,577.12/12,814.34
  6. Step 6: Final answer
    x = 6,741.87

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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.