Home / 19,645.62-27,111.54-10,693.72

Finding the Fourth Proportional to 19,645.62, 27,111.54 and 10,693.72

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Solution

The fourth proportional to 19,645.62, 27,111.54 and 10,693.72 is: 14,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.62 : 27,111.54 = 10,693.72 : x
  2. Step 2: Convert to fraction form
    19,645.62/27,111.54 = 10,693.72/x
  3. Step 3: Cross multiply
    19,645.62x = 27,111.54 × 10,693.72
  4. Step 4: Simplify right side
    19,645.62x = 289,923,217.53
  5. Step 5: Solve for x
    x = 289,923,217.53/19,645.62
  6. Step 6: Final answer
    x = 14,757.65

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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.