Home / 18,358.92-25,381.62-13,571.31

Finding the Fourth Proportional to 18,358.92, 25,381.62 and 13,571.31

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Solution

The fourth proportional to 18,358.92, 25,381.62 and 13,571.31 is: 18,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.92 : 25,381.62 = 13,571.31 : x
  2. Step 2: Convert to fraction form
    18,358.92/25,381.62 = 13,571.31/x
  3. Step 3: Cross multiply
    18,358.92x = 25,381.62 × 13,571.31
  4. Step 4: Simplify right side
    18,358.92x = 344,461,833.32
  5. Step 5: Solve for x
    x = 344,461,833.32/18,358.92
  6. Step 6: Final answer
    x = 18,762.64

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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.