Home / 19,913.58-27,494.82-13,213.17

Finding the Fourth Proportional to 19,913.58, 27,494.82 and 13,213.17

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Solution

The fourth proportional to 19,913.58, 27,494.82 and 13,213.17 is: 18,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.58 : 27,494.82 = 13,213.17 : x
  2. Step 2: Convert to fraction form
    19,913.58/27,494.82 = 13,213.17/x
  3. Step 3: Cross multiply
    19,913.58x = 27,494.82 × 13,213.17
  4. Step 4: Simplify right side
    19,913.58x = 363,293,730.78
  5. Step 5: Solve for x
    x = 363,293,730.78/19,913.58
  6. Step 6: Final answer
    x = 18,243.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.