Home / 11,301.86-16,950.47-4,279.45

Finding the Fourth Proportional to 11,301.86, 16,950.47 and 4,279.45

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Solution

The fourth proportional to 11,301.86, 16,950.47 and 4,279.45 is: 6,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.86 : 16,950.47 = 4,279.45 : x
  2. Step 2: Convert to fraction form
    11,301.86/16,950.47 = 4,279.45/x
  3. Step 3: Cross multiply
    11,301.86x = 16,950.47 × 4,279.45
  4. Step 4: Simplify right side
    11,301.86x = 72,538,716.79
  5. Step 5: Solve for x
    x = 72,538,716.79/11,301.86
  6. Step 6: Final answer
    x = 6,418.30

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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.