Home / 19,825.04-27,355.80-11,865.44

Finding the Fourth Proportional to 19,825.04, 27,355.80 and 11,865.44

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Solution

The fourth proportional to 19,825.04, 27,355.80 and 11,865.44 is: 16,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.04 : 27,355.80 = 11,865.44 : x
  2. Step 2: Convert to fraction form
    19,825.04/27,355.80 = 11,865.44/x
  3. Step 3: Cross multiply
    19,825.04x = 27,355.80 × 11,865.44
  4. Step 4: Simplify right side
    19,825.04x = 324,588,603.55
  5. Step 5: Solve for x
    x = 324,588,603.55/19,825.04
  6. Step 6: Final answer
    x = 16,372.66

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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.