Home / 12,937.73-17,853.82-8,156.70

Finding the Fourth Proportional to 12,937.73, 17,853.82 and 8,156.70

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Solution

The fourth proportional to 12,937.73, 17,853.82 and 8,156.70 is: 11,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.73 : 17,853.82 = 8,156.70 : x
  2. Step 2: Convert to fraction form
    12,937.73/17,853.82 = 8,156.70/x
  3. Step 3: Cross multiply
    12,937.73x = 17,853.82 × 8,156.70
  4. Step 4: Simplify right side
    12,937.73x = 145,628,233.20
  5. Step 5: Solve for x
    x = 145,628,233.20/12,937.73
  6. Step 6: Final answer
    x = 11,256.09

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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.