Home / 11,314.86-16,965.81-4,381.26

Finding the Fourth Proportional to 11,314.86, 16,965.81 and 4,381.26

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Solution

The fourth proportional to 11,314.86, 16,965.81 and 4,381.26 is: 6,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.86 : 16,965.81 = 4,381.26 : x
  2. Step 2: Convert to fraction form
    11,314.86/16,965.81 = 4,381.26/x
  3. Step 3: Cross multiply
    11,314.86x = 16,965.81 × 4,381.26
  4. Step 4: Simplify right side
    11,314.86x = 74,331,624.72
  5. Step 5: Solve for x
    x = 74,331,624.72/11,314.86
  6. Step 6: Final answer
    x = 6,569.38

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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.