Home / 18,411.55-27,618.92-5,084.55

Finding the Fourth Proportional to 18,411.55, 27,618.92 and 5,084.55

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Solution

The fourth proportional to 18,411.55, 27,618.92 and 5,084.55 is: 7,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.55 : 27,618.92 = 5,084.55 : x
  2. Step 2: Convert to fraction form
    18,411.55/27,618.92 = 5,084.55/x
  3. Step 3: Cross multiply
    18,411.55x = 27,618.92 × 5,084.55
  4. Step 4: Simplify right side
    18,411.55x = 140,429,779.69
  5. Step 5: Solve for x
    x = 140,429,779.69/18,411.55
  6. Step 6: Final answer
    x = 7,627.27

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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.