Home / 15,515.23-23,273.08-3,828.45

Finding the Fourth Proportional to 15,515.23, 23,273.08 and 3,828.45

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Solution

The fourth proportional to 15,515.23, 23,273.08 and 3,828.45 is: 5,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.23 : 23,273.08 = 3,828.45 : x
  2. Step 2: Convert to fraction form
    15,515.23/23,273.08 = 3,828.45/x
  3. Step 3: Cross multiply
    15,515.23x = 23,273.08 × 3,828.45
  4. Step 4: Simplify right side
    15,515.23x = 89,099,870.79
  5. Step 5: Solve for x
    x = 89,099,870.79/15,515.23
  6. Step 6: Final answer
    x = 5,742.73

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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.