Home / 16,772.35-23,169.44-15,886.62

Finding the Fourth Proportional to 16,772.35, 23,169.44 and 15,886.62

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Solution

The fourth proportional to 16,772.35, 23,169.44 and 15,886.62 is: 21,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.35 : 23,169.44 = 15,886.62 : x
  2. Step 2: Convert to fraction form
    16,772.35/23,169.44 = 15,886.62/x
  3. Step 3: Cross multiply
    16,772.35x = 23,169.44 × 15,886.62
  4. Step 4: Simplify right side
    16,772.35x = 368,084,088.89
  5. Step 5: Solve for x
    x = 368,084,088.89/16,772.35
  6. Step 6: Final answer
    x = 21,945.89

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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.