Home / 11,379.64-17,068.78-4,262.47

Finding the Fourth Proportional to 11,379.64, 17,068.78 and 4,262.47

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Solution

The fourth proportional to 11,379.64, 17,068.78 and 4,262.47 is: 6,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.64 : 17,068.78 = 4,262.47 : x
  2. Step 2: Convert to fraction form
    11,379.64/17,068.78 = 4,262.47/x
  3. Step 3: Cross multiply
    11,379.64x = 17,068.78 × 4,262.47
  4. Step 4: Simplify right side
    11,379.64x = 72,755,197.38
  5. Step 5: Solve for x
    x = 72,755,197.38/11,379.64
  6. Step 6: Final answer
    x = 6,393.45

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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.