Home / 22,743.72-31,385.54-12,671.64

Finding the Fourth Proportional to 22,743.72, 31,385.54 and 12,671.64

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Solution

The fourth proportional to 22,743.72, 31,385.54 and 12,671.64 is: 17,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.72 : 31,385.54 = 12,671.64 : x
  2. Step 2: Convert to fraction form
    22,743.72/31,385.54 = 12,671.64/x
  3. Step 3: Cross multiply
    22,743.72x = 31,385.54 × 12,671.64
  4. Step 4: Simplify right side
    22,743.72x = 397,706,295.76
  5. Step 5: Solve for x
    x = 397,706,295.76/22,743.72
  6. Step 6: Final answer
    x = 17,486.42

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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.