Home / 14,767.72-20,378.74-8,799.26

Finding the Fourth Proportional to 14,767.72, 20,378.74 and 8,799.26

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Solution

The fourth proportional to 14,767.72, 20,378.74 and 8,799.26 is: 12,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.72 : 20,378.74 = 8,799.26 : x
  2. Step 2: Convert to fraction form
    14,767.72/20,378.74 = 8,799.26/x
  3. Step 3: Cross multiply
    14,767.72x = 20,378.74 × 8,799.26
  4. Step 4: Simplify right side
    14,767.72x = 179,317,781.65
  5. Step 5: Solve for x
    x = 179,317,781.65/14,767.72
  6. Step 6: Final answer
    x = 12,142.55

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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.