Home / 14,767.79-20,377.58-9,469.78

Finding the Fourth Proportional to 14,767.79, 20,377.58 and 9,469.78

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Solution

The fourth proportional to 14,767.79, 20,377.58 and 9,469.78 is: 13,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.79 : 20,377.58 = 9,469.78 : x
  2. Step 2: Convert to fraction form
    14,767.79/20,377.58 = 9,469.78/x
  3. Step 3: Cross multiply
    14,767.79x = 20,377.58 × 9,469.78
  4. Step 4: Simplify right side
    14,767.79x = 192,971,101.24
  5. Step 5: Solve for x
    x = 192,971,101.24/14,767.79
  6. Step 6: Final answer
    x = 13,067.03

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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.