Home / 11,535.88-17,311.18-4,140.18

Finding the Fourth Proportional to 11,535.88, 17,311.18 and 4,140.18

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Solution

The fourth proportional to 11,535.88, 17,311.18 and 4,140.18 is: 6,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.88 : 17,311.18 = 4,140.18 : x
  2. Step 2: Convert to fraction form
    11,535.88/17,311.18 = 4,140.18/x
  3. Step 3: Cross multiply
    11,535.88x = 17,311.18 × 4,140.18
  4. Step 4: Simplify right side
    11,535.88x = 71,671,401.21
  5. Step 5: Solve for x
    x = 71,671,401.21/11,535.88
  6. Step 6: Final answer
    x = 6,212.91

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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.