Home / 18,344.68-25,313.70-13,567.56

Finding the Fourth Proportional to 18,344.68, 25,313.70 and 13,567.56

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Solution

The fourth proportional to 18,344.68, 25,313.70 and 13,567.56 is: 18,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.68 : 25,313.70 = 13,567.56 : x
  2. Step 2: Convert to fraction form
    18,344.68/25,313.70 = 13,567.56/x
  3. Step 3: Cross multiply
    18,344.68x = 25,313.70 × 13,567.56
  4. Step 4: Simplify right side
    18,344.68x = 343,445,143.57
  5. Step 5: Solve for x
    x = 343,445,143.57/18,344.68
  6. Step 6: Final answer
    x = 18,721.78

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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.