Home / 13,324.30-18,387.66-7,355.84

Finding the Fourth Proportional to 13,324.30, 18,387.66 and 7,355.84

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Solution

The fourth proportional to 13,324.30, 18,387.66 and 7,355.84 is: 10,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.30 : 18,387.66 = 7,355.84 : x
  2. Step 2: Convert to fraction form
    13,324.30/18,387.66 = 7,355.84/x
  3. Step 3: Cross multiply
    13,324.30x = 18,387.66 × 7,355.84
  4. Step 4: Simplify right side
    13,324.30x = 135,256,630.92
  5. Step 5: Solve for x
    x = 135,256,630.92/13,324.30
  6. Step 6: Final answer
    x = 10,151.13

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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.