Home / 19,712.50-27,204.36-11,329.54

Finding the Fourth Proportional to 19,712.50, 27,204.36 and 11,329.54

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Solution

The fourth proportional to 19,712.50, 27,204.36 and 11,329.54 is: 15,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.50 : 27,204.36 = 11,329.54 : x
  2. Step 2: Convert to fraction form
    19,712.50/27,204.36 = 11,329.54/x
  3. Step 3: Cross multiply
    19,712.50x = 27,204.36 × 11,329.54
  4. Step 4: Simplify right side
    19,712.50x = 308,212,884.79
  5. Step 5: Solve for x
    x = 308,212,884.79/19,712.50
  6. Step 6: Final answer
    x = 15,635.40

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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.