Home / 11,618.65-17,428.03-2,853.56

Finding the Fourth Proportional to 11,618.65, 17,428.03 and 2,853.56

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Solution

The fourth proportional to 11,618.65, 17,428.03 and 2,853.56 is: 4,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.65 : 17,428.03 = 2,853.56 : x
  2. Step 2: Convert to fraction form
    11,618.65/17,428.03 = 2,853.56/x
  3. Step 3: Cross multiply
    11,618.65x = 17,428.03 × 2,853.56
  4. Step 4: Simplify right side
    11,618.65x = 49,731,915.02
  5. Step 5: Solve for x
    x = 49,731,915.02/11,618.65
  6. Step 6: Final answer
    x = 4,280.35

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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.