Home / 13,574.29-20,347.22-5,681.33

Finding the Fourth Proportional to 13,574.29, 20,347.22 and 5,681.33

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Solution

The fourth proportional to 13,574.29, 20,347.22 and 5,681.33 is: 8,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.29 : 20,347.22 = 5,681.33 : x
  2. Step 2: Convert to fraction form
    13,574.29/20,347.22 = 5,681.33/x
  3. Step 3: Cross multiply
    13,574.29x = 20,347.22 × 5,681.33
  4. Step 4: Simplify right side
    13,574.29x = 115,599,183.87
  5. Step 5: Solve for x
    x = 115,599,183.87/13,574.29
  6. Step 6: Final answer
    x = 8,516.04

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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.