Home / 13,169.43-19,757.23-9,011.40

Finding the Fourth Proportional to 13,169.43, 19,757.23 and 9,011.40

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Solution

The fourth proportional to 13,169.43, 19,757.23 and 9,011.40 is: 13,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.43 : 19,757.23 = 9,011.40 : x
  2. Step 2: Convert to fraction form
    13,169.43/19,757.23 = 9,011.40/x
  3. Step 3: Cross multiply
    13,169.43x = 19,757.23 × 9,011.40
  4. Step 4: Simplify right side
    13,169.43x = 178,040,302.42
  5. Step 5: Solve for x
    x = 178,040,302.42/13,169.43
  6. Step 6: Final answer
    x = 13,519.21

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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.