Home / 13,673.04-20,509.26-3,812.05

Finding the Fourth Proportional to 13,673.04, 20,509.26 and 3,812.05

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Solution

The fourth proportional to 13,673.04, 20,509.26 and 3,812.05 is: 5,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.04 : 20,509.26 = 3,812.05 : x
  2. Step 2: Convert to fraction form
    13,673.04/20,509.26 = 3,812.05/x
  3. Step 3: Cross multiply
    13,673.04x = 20,509.26 × 3,812.05
  4. Step 4: Simplify right side
    13,673.04x = 78,182,324.58
  5. Step 5: Solve for x
    x = 78,182,324.58/13,673.04
  6. Step 6: Final answer
    x = 5,717.99

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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.