Home / 15,725.91-23,515.96-12,175.68

Finding the Fourth Proportional to 15,725.91, 23,515.96 and 12,175.68

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Solution

The fourth proportional to 15,725.91, 23,515.96 and 12,175.68 is: 18,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.91 : 23,515.96 = 12,175.68 : x
  2. Step 2: Convert to fraction form
    15,725.91/23,515.96 = 12,175.68/x
  3. Step 3: Cross multiply
    15,725.91x = 23,515.96 × 12,175.68
  4. Step 4: Simplify right side
    15,725.91x = 286,322,803.85
  5. Step 5: Solve for x
    x = 286,322,803.85/15,725.91
  6. Step 6: Final answer
    x = 18,207.07

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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.