Home / 19,629.62-27,089.16-10,677.12

Finding the Fourth Proportional to 19,629.62, 27,089.16 and 10,677.12

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Solution

The fourth proportional to 19,629.62, 27,089.16 and 10,677.12 is: 14,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.62 : 27,089.16 = 10,677.12 : x
  2. Step 2: Convert to fraction form
    19,629.62/27,089.16 = 10,677.12/x
  3. Step 3: Cross multiply
    19,629.62x = 27,089.16 × 10,677.12
  4. Step 4: Simplify right side
    19,629.62x = 289,234,212.02
  5. Step 5: Solve for x
    x = 289,234,212.02/19,629.62
  6. Step 6: Final answer
    x = 14,734.58

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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.