Home / 12,814.80-19,221.56-4,492.24

Finding the Fourth Proportional to 12,814.80, 19,221.56 and 4,492.24

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Solution

The fourth proportional to 12,814.80, 19,221.56 and 4,492.24 is: 6,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.80 : 19,221.56 = 4,492.24 : x
  2. Step 2: Convert to fraction form
    12,814.80/19,221.56 = 4,492.24/x
  3. Step 3: Cross multiply
    12,814.80x = 19,221.56 × 4,492.24
  4. Step 4: Simplify right side
    12,814.80x = 86,347,860.69
  5. Step 5: Solve for x
    x = 86,347,860.69/12,814.80
  6. Step 6: Final answer
    x = 6,738.14

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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.