Home / 13,256.62-18,294.34-7,288.24

Finding the Fourth Proportional to 13,256.62, 18,294.34 and 7,288.24

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Solution

The fourth proportional to 13,256.62, 18,294.34 and 7,288.24 is: 10,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.62 : 18,294.34 = 7,288.24 : x
  2. Step 2: Convert to fraction form
    13,256.62/18,294.34 = 7,288.24/x
  3. Step 3: Cross multiply
    13,256.62x = 18,294.34 × 7,288.24
  4. Step 4: Simplify right side
    13,256.62x = 133,333,540.56
  5. Step 5: Solve for x
    x = 133,333,540.56/13,256.62
  6. Step 6: Final answer
    x = 10,057.88

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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.