Home / 13,324.10-18,387.64-7,356.14

Finding the Fourth Proportional to 13,324.10, 18,387.64 and 7,356.14

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Solution

The fourth proportional to 13,324.10, 18,387.64 and 7,356.14 is: 10,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.10 : 18,387.64 = 7,356.14 : x
  2. Step 2: Convert to fraction form
    13,324.10/18,387.64 = 7,356.14/x
  3. Step 3: Cross multiply
    13,324.10x = 18,387.64 × 7,356.14
  4. Step 4: Simplify right side
    13,324.10x = 135,262,081.69
  5. Step 5: Solve for x
    x = 135,262,081.69/13,324.10
  6. Step 6: Final answer
    x = 10,151.69

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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.