Home / 11,780.19-17,670.89-3,015.18

Finding the Fourth Proportional to 11,780.19, 17,670.89 and 3,015.18

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Solution

The fourth proportional to 11,780.19, 17,670.89 and 3,015.18 is: 4,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.19 : 17,670.89 = 3,015.18 : x
  2. Step 2: Convert to fraction form
    11,780.19/17,670.89 = 3,015.18/x
  3. Step 3: Cross multiply
    11,780.19x = 17,670.89 × 3,015.18
  4. Step 4: Simplify right side
    11,780.19x = 53,280,914.11
  5. Step 5: Solve for x
    x = 53,280,914.11/11,780.19
  6. Step 6: Final answer
    x = 4,522.92

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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.