Home / 11,780.04-17,670.06-3,994.32

Finding the Fourth Proportional to 11,780.04, 17,670.06 and 3,994.32

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Solution

The fourth proportional to 11,780.04, 17,670.06 and 3,994.32 is: 5,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.04 : 17,670.06 = 3,994.32 : x
  2. Step 2: Convert to fraction form
    11,780.04/17,670.06 = 3,994.32/x
  3. Step 3: Cross multiply
    11,780.04x = 17,670.06 × 3,994.32
  4. Step 4: Simplify right side
    11,780.04x = 70,579,874.06
  5. Step 5: Solve for x
    x = 70,579,874.06/11,780.04
  6. Step 6: Final answer
    x = 5,991.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.