Home / 13,191.14-19,786.72-4,426.03

Finding the Fourth Proportional to 13,191.14, 19,786.72 and 4,426.03

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Solution

The fourth proportional to 13,191.14, 19,786.72 and 4,426.03 is: 6,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.14 : 19,786.72 = 4,426.03 : x
  2. Step 2: Convert to fraction form
    13,191.14/19,786.72 = 4,426.03/x
  3. Step 3: Cross multiply
    13,191.14x = 19,786.72 × 4,426.03
  4. Step 4: Simplify right side
    13,191.14x = 87,576,616.32
  5. Step 5: Solve for x
    x = 87,576,616.32/13,191.14
  6. Step 6: Final answer
    x = 6,639.05

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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.