Home / 13,549.23-20,324.21-3,688.71

Finding the Fourth Proportional to 13,549.23, 20,324.21 and 3,688.71

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Solution

The fourth proportional to 13,549.23, 20,324.21 and 3,688.71 is: 5,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.23 : 20,324.21 = 3,688.71 : x
  2. Step 2: Convert to fraction form
    13,549.23/20,324.21 = 3,688.71/x
  3. Step 3: Cross multiply
    13,549.23x = 20,324.21 × 3,688.71
  4. Step 4: Simplify right side
    13,549.23x = 74,970,098.23
  5. Step 5: Solve for x
    x = 74,970,098.23/13,549.23
  6. Step 6: Final answer
    x = 5,533.16

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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.