Home / 13,633.35-20,423.97-11,426.31

Finding the Fourth Proportional to 13,633.35, 20,423.97 and 11,426.31

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Solution

The fourth proportional to 13,633.35, 20,423.97 and 11,426.31 is: 17,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.35 : 20,423.97 = 11,426.31 : x
  2. Step 2: Convert to fraction form
    13,633.35/20,423.97 = 11,426.31/x
  3. Step 3: Cross multiply
    13,633.35x = 20,423.97 × 11,426.31
  4. Step 4: Simplify right side
    13,633.35x = 233,370,612.65
  5. Step 5: Solve for x
    x = 233,370,612.65/13,633.35
  6. Step 6: Final answer
    x = 17,117.63

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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.