Home / 13,715.76-20,544.92-11,370.20

Finding the Fourth Proportional to 13,715.76, 20,544.92 and 11,370.20

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Solution

The fourth proportional to 13,715.76, 20,544.92 and 11,370.20 is: 17,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.76 : 20,544.92 = 11,370.20 : x
  2. Step 2: Convert to fraction form
    13,715.76/20,544.92 = 11,370.20/x
  3. Step 3: Cross multiply
    13,715.76x = 20,544.92 × 11,370.20
  4. Step 4: Simplify right side
    13,715.76x = 233,599,849.38
  5. Step 5: Solve for x
    x = 233,599,849.38/13,715.76
  6. Step 6: Final answer
    x = 17,031.49

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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.