Home / 14,727.26-20,321.24-8,758.74

Finding the Fourth Proportional to 14,727.26, 20,321.24 and 8,758.74

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Solution

The fourth proportional to 14,727.26, 20,321.24 and 8,758.74 is: 12,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.26 : 20,321.24 = 8,758.74 : x
  2. Step 2: Convert to fraction form
    14,727.26/20,321.24 = 8,758.74/x
  3. Step 3: Cross multiply
    14,727.26x = 20,321.24 × 8,758.74
  4. Step 4: Simplify right side
    14,727.26x = 177,988,457.64
  5. Step 5: Solve for x
    x = 177,988,457.64/14,727.26
  6. Step 6: Final answer
    x = 12,085.65

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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.