Home / 15,723.91-23,512.96-12,173.68

Finding the Fourth Proportional to 15,723.91, 23,512.96 and 12,173.68

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Solution

The fourth proportional to 15,723.91, 23,512.96 and 12,173.68 is: 18,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.91 : 23,512.96 = 12,173.68 : x
  2. Step 2: Convert to fraction form
    15,723.91/23,512.96 = 12,173.68/x
  3. Step 3: Cross multiply
    15,723.91x = 23,512.96 × 12,173.68
  4. Step 4: Simplify right side
    15,723.91x = 286,239,250.89
  5. Step 5: Solve for x
    x = 286,239,250.89/15,723.91
  6. Step 6: Final answer
    x = 18,204.08

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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.