Home / 22,364.75-30,864.96-13,412.09

Finding the Fourth Proportional to 22,364.75, 30,864.96 and 13,412.09

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Solution

The fourth proportional to 22,364.75, 30,864.96 and 13,412.09 is: 18,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.75 : 30,864.96 = 13,412.09 : x
  2. Step 2: Convert to fraction form
    22,364.75/30,864.96 = 13,412.09/x
  3. Step 3: Cross multiply
    22,364.75x = 30,864.96 × 13,412.09
  4. Step 4: Simplify right side
    22,364.75x = 413,963,467.04
  5. Step 5: Solve for x
    x = 413,963,467.04/22,364.75
  6. Step 6: Final answer
    x = 18,509.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.