Home / 16,345.53-22,556.51-9,175.61

Finding the Fourth Proportional to 16,345.53, 22,556.51 and 9,175.61

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Solution

The fourth proportional to 16,345.53, 22,556.51 and 9,175.61 is: 12,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.53 : 22,556.51 = 9,175.61 : x
  2. Step 2: Convert to fraction form
    16,345.53/22,556.51 = 9,175.61/x
  3. Step 3: Cross multiply
    16,345.53x = 22,556.51 × 9,175.61
  4. Step 4: Simplify right side
    16,345.53x = 206,969,783.64
  5. Step 5: Solve for x
    x = 206,969,783.64/16,345.53
  6. Step 6: Final answer
    x = 12,662.16

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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.