Home / 19,573.54-27,011.52-11,190.04

Finding the Fourth Proportional to 19,573.54, 27,011.52 and 11,190.04

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Solution

The fourth proportional to 19,573.54, 27,011.52 and 11,190.04 is: 15,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.54 : 27,011.52 = 11,190.04 : x
  2. Step 2: Convert to fraction form
    19,573.54/27,011.52 = 11,190.04/x
  3. Step 3: Cross multiply
    19,573.54x = 27,011.52 × 11,190.04
  4. Step 4: Simplify right side
    19,573.54x = 302,259,989.26
  5. Step 5: Solve for x
    x = 302,259,989.26/19,573.54
  6. Step 6: Final answer
    x = 15,442.28

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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.