Home / 8,942.69-13,412.21-4,499.13

Finding the Fourth Proportional to 8,942.69, 13,412.21 and 4,499.13

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Solution

The fourth proportional to 8,942.69, 13,412.21 and 4,499.13 is: 6,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.69 : 13,412.21 = 4,499.13 : x
  2. Step 2: Convert to fraction form
    8,942.69/13,412.21 = 4,499.13/x
  3. Step 3: Cross multiply
    8,942.69x = 13,412.21 × 4,499.13
  4. Step 4: Simplify right side
    8,942.69x = 60,343,276.38
  5. Step 5: Solve for x
    x = 60,343,276.38/8,942.69
  6. Step 6: Final answer
    x = 6,747.78

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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.