Home / 13,324.77-18,388.08-7,356.42

Finding the Fourth Proportional to 13,324.77, 18,388.08 and 7,356.42

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Solution

The fourth proportional to 13,324.77, 18,388.08 and 7,356.42 is: 10,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.77 : 18,388.08 = 7,356.42 : x
  2. Step 2: Convert to fraction form
    13,324.77/18,388.08 = 7,356.42/x
  3. Step 3: Cross multiply
    13,324.77x = 18,388.08 × 7,356.42
  4. Step 4: Simplify right side
    13,324.77x = 135,270,439.47
  5. Step 5: Solve for x
    x = 135,270,439.47/13,324.77
  6. Step 6: Final answer
    x = 10,151.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.