Home / 13,510.29-20,265.44-5,719.17

Finding the Fourth Proportional to 13,510.29, 20,265.44 and 5,719.17

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Solution

The fourth proportional to 13,510.29, 20,265.44 and 5,719.17 is: 8,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.29 : 20,265.44 = 5,719.17 : x
  2. Step 2: Convert to fraction form
    13,510.29/20,265.44 = 5,719.17/x
  3. Step 3: Cross multiply
    13,510.29x = 20,265.44 × 5,719.17
  4. Step 4: Simplify right side
    13,510.29x = 115,901,467.89
  5. Step 5: Solve for x
    x = 115,901,467.89/13,510.29
  6. Step 6: Final answer
    x = 8,578.76

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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.