Home / 13,608.68-18,795.83-10,892.67

Finding the Fourth Proportional to 13,608.68, 18,795.83 and 10,892.67

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Solution

The fourth proportional to 13,608.68, 18,795.83 and 10,892.67 is: 15,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.68 : 18,795.83 = 10,892.67 : x
  2. Step 2: Convert to fraction form
    13,608.68/18,795.83 = 10,892.67/x
  3. Step 3: Cross multiply
    13,608.68x = 18,795.83 × 10,892.67
  4. Step 4: Simplify right side
    13,608.68x = 204,736,719.10
  5. Step 5: Solve for x
    x = 204,736,719.10/13,608.68
  6. Step 6: Final answer
    x = 15,044.57

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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.