Home / 13,292.47-18,343.60-7,324.12

Finding the Fourth Proportional to 13,292.47, 18,343.60 and 7,324.12

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Solution

The fourth proportional to 13,292.47, 18,343.60 and 7,324.12 is: 10,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.47 : 18,343.60 = 7,324.12 : x
  2. Step 2: Convert to fraction form
    13,292.47/18,343.60 = 7,324.12/x
  3. Step 3: Cross multiply
    13,292.47x = 18,343.60 × 7,324.12
  4. Step 4: Simplify right side
    13,292.47x = 134,350,727.63
  5. Step 5: Solve for x
    x = 134,350,727.63/13,292.47
  6. Step 6: Final answer
    x = 10,107.28

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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.