Home / 14,101.11-21,154.91-4,240.59

Finding the Fourth Proportional to 14,101.11, 21,154.91 and 4,240.59

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Solution

The fourth proportional to 14,101.11, 21,154.91 and 4,240.59 is: 6,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.11 : 21,154.91 = 4,240.59 : x
  2. Step 2: Convert to fraction form
    14,101.11/21,154.91 = 4,240.59/x
  3. Step 3: Cross multiply
    14,101.11x = 21,154.91 × 4,240.59
  4. Step 4: Simplify right side
    14,101.11x = 89,709,278.59
  5. Step 5: Solve for x
    x = 89,709,278.59/14,101.11
  6. Step 6: Final answer
    x = 6,361.86

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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.