Home / 13,462.85-20,194.29-6,441.21

Finding the Fourth Proportional to 13,462.85, 20,194.29 and 6,441.21

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Solution

The fourth proportional to 13,462.85, 20,194.29 and 6,441.21 is: 9,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.85 : 20,194.29 = 6,441.21 : x
  2. Step 2: Convert to fraction form
    13,462.85/20,194.29 = 6,441.21/x
  3. Step 3: Cross multiply
    13,462.85x = 20,194.29 × 6,441.21
  4. Step 4: Simplify right side
    13,462.85x = 130,075,662.69
  5. Step 5: Solve for x
    x = 130,075,662.69/13,462.85
  6. Step 6: Final answer
    x = 9,661.82

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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.