Home / 10,342.38-15,501.21-3,760.86

Finding the Fourth Proportional to 10,342.38, 15,501.21 and 3,760.86

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Solution

The fourth proportional to 10,342.38, 15,501.21 and 3,760.86 is: 5,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.38 : 15,501.21 = 3,760.86 : x
  2. Step 2: Convert to fraction form
    10,342.38/15,501.21 = 3,760.86/x
  3. Step 3: Cross multiply
    10,342.38x = 15,501.21 × 3,760.86
  4. Step 4: Simplify right side
    10,342.38x = 58,297,880.64
  5. Step 5: Solve for x
    x = 58,297,880.64/10,342.38
  6. Step 6: Final answer
    x = 5,636.80

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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.