Home / 10,074.21-15,112.95-3,502.27

Finding the Fourth Proportional to 10,074.21, 15,112.95 and 3,502.27

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Solution

The fourth proportional to 10,074.21, 15,112.95 and 3,502.27 is: 5,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.21 : 15,112.95 = 3,502.27 : x
  2. Step 2: Convert to fraction form
    10,074.21/15,112.95 = 3,502.27/x
  3. Step 3: Cross multiply
    10,074.21x = 15,112.95 × 3,502.27
  4. Step 4: Simplify right side
    10,074.21x = 52,929,631.40
  5. Step 5: Solve for x
    x = 52,929,631.40/10,074.21
  6. Step 6: Final answer
    x = 5,253.97

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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.