Home / 13,293.29-18,344.65-7,324.82

Finding the Fourth Proportional to 13,293.29, 18,344.65 and 7,324.82

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Solution

The fourth proportional to 13,293.29, 18,344.65 and 7,324.82 is: 10,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.29 : 18,344.65 = 7,324.82 : x
  2. Step 2: Convert to fraction form
    13,293.29/18,344.65 = 7,324.82/x
  3. Step 3: Cross multiply
    13,293.29x = 18,344.65 × 7,324.82
  4. Step 4: Simplify right side
    13,293.29x = 134,371,259.21
  5. Step 5: Solve for x
    x = 134,371,259.21/13,293.29
  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.