Home / 13,292.39-18,343.26-7,324.61

Finding the Fourth Proportional to 13,292.39, 18,343.26 and 7,324.61

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Solution

The fourth proportional to 13,292.39, 18,343.26 and 7,324.61 is: 10,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.39 : 18,343.26 = 7,324.61 : x
  2. Step 2: Convert to fraction form
    13,292.39/18,343.26 = 7,324.61/x
  3. Step 3: Cross multiply
    13,292.39x = 18,343.26 × 7,324.61
  4. Step 4: Simplify right side
    13,292.39x = 134,357,225.63
  5. Step 5: Solve for x
    x = 134,357,225.63/13,292.39
  6. Step 6: Final answer
    x = 10,107.83

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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.