Home / 13,302.68-18,358.79-7,334.91

Finding the Fourth Proportional to 13,302.68, 18,358.79 and 7,334.91

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Solution

The fourth proportional to 13,302.68, 18,358.79 and 7,334.91 is: 10,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.68 : 18,358.79 = 7,334.91 : x
  2. Step 2: Convert to fraction form
    13,302.68/18,358.79 = 7,334.91/x
  3. Step 3: Cross multiply
    13,302.68x = 18,358.79 × 7,334.91
  4. Step 4: Simplify right side
    13,302.68x = 134,660,035.68
  5. Step 5: Solve for x
    x = 134,660,035.68/13,302.68
  6. Step 6: Final answer
    x = 10,122.78

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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.