Home / 15,612.89-23,419.33-3,926.09

Finding the Fourth Proportional to 15,612.89, 23,419.33 and 3,926.09

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Solution

The fourth proportional to 15,612.89, 23,419.33 and 3,926.09 is: 5,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.89 : 23,419.33 = 3,926.09 : x
  2. Step 2: Convert to fraction form
    15,612.89/23,419.33 = 3,926.09/x
  3. Step 3: Cross multiply
    15,612.89x = 23,419.33 × 3,926.09
  4. Step 4: Simplify right side
    15,612.89x = 91,946,446.05
  5. Step 5: Solve for x
    x = 91,946,446.05/15,612.89
  6. Step 6: Final answer
    x = 5,889.14

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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.