Home / 13,325.33-18,388.96-7,357

Finding the Fourth Proportional to 13,325.33, 18,388.96 and 7,357

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Solution

The fourth proportional to 13,325.33, 18,388.96 and 7,357 is: 10,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.33 : 18,388.96 = 7,357 : x
  2. Step 2: Convert to fraction form
    13,325.33/18,388.96 = 7,357/x
  3. Step 3: Cross multiply
    13,325.33x = 18,388.96 × 7,357
  4. Step 4: Simplify right side
    13,325.33x = 135,287,578.72
  5. Step 5: Solve for x
    x = 135,287,578.72/13,325.33
  6. Step 6: Final answer
    x = 10,152.66

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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.