Home / 13,052.54-18,012.24-7,387.19

Finding the Fourth Proportional to 13,052.54, 18,012.24 and 7,387.19

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Solution

The fourth proportional to 13,052.54, 18,012.24 and 7,387.19 is: 10,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.54 : 18,012.24 = 7,387.19 : x
  2. Step 2: Convert to fraction form
    13,052.54/18,012.24 = 7,387.19/x
  3. Step 3: Cross multiply
    13,052.54x = 18,012.24 × 7,387.19
  4. Step 4: Simplify right side
    13,052.54x = 133,059,816.69
  5. Step 5: Solve for x
    x = 133,059,816.69/13,052.54
  6. Step 6: Final answer
    x = 10,194.17

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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.