Home / 12,935.35-17,809.86-11,752.88

Finding the Fourth Proportional to 12,935.35, 17,809.86 and 11,752.88

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Solution

The fourth proportional to 12,935.35, 17,809.86 and 11,752.88 is: 16,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.35 : 17,809.86 = 11,752.88 : x
  2. Step 2: Convert to fraction form
    12,935.35/17,809.86 = 11,752.88/x
  3. Step 3: Cross multiply
    12,935.35x = 17,809.86 × 11,752.88
  4. Step 4: Simplify right side
    12,935.35x = 209,317,136.49
  5. Step 5: Solve for x
    x = 209,317,136.49/12,935.35
  6. Step 6: Final answer
    x = 16,181.80

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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.