Home / 13,293.39-18,344.59-7,324.90

Finding the Fourth Proportional to 13,293.39, 18,344.59 and 7,324.90

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Solution

The fourth proportional to 13,293.39, 18,344.59 and 7,324.90 is: 10,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.39 : 18,344.59 = 7,324.90 : x
  2. Step 2: Convert to fraction form
    13,293.39/18,344.59 = 7,324.90/x
  3. Step 3: Cross multiply
    13,293.39x = 18,344.59 × 7,324.90
  4. Step 4: Simplify right side
    13,293.39x = 134,372,287.29
  5. Step 5: Solve for x
    x = 134,372,287.29/13,293.39
  6. Step 6: Final answer
    x = 10,108.20

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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.