Home / 12,814.07-19,221.23-4,494.29

Finding the Fourth Proportional to 12,814.07, 19,221.23 and 4,494.29

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Solution

The fourth proportional to 12,814.07, 19,221.23 and 4,494.29 is: 6,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.07 : 19,221.23 = 4,494.29 : x
  2. Step 2: Convert to fraction form
    12,814.07/19,221.23 = 4,494.29/x
  3. Step 3: Cross multiply
    12,814.07x = 19,221.23 × 4,494.29
  4. Step 4: Simplify right side
    12,814.07x = 86,385,663.20
  5. Step 5: Solve for x
    x = 86,385,663.20/12,814.07
  6. Step 6: Final answer
    x = 6,741.47

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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.