Home / 19,817.26-27,348.04-11,320.50

Finding the Fourth Proportional to 19,817.26, 27,348.04 and 11,320.50

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Solution

The fourth proportional to 19,817.26, 27,348.04 and 11,320.50 is: 15,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.26 : 27,348.04 = 11,320.50 : x
  2. Step 2: Convert to fraction form
    19,817.26/27,348.04 = 11,320.50/x
  3. Step 3: Cross multiply
    19,817.26x = 27,348.04 × 11,320.50
  4. Step 4: Simplify right side
    19,817.26x = 309,593,486.82
  5. Step 5: Solve for x
    x = 309,593,486.82/19,817.26
  6. Step 6: Final answer
    x = 15,622.42

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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.