Home / 18,388.42-25,376.07-10,004.92

Finding the Fourth Proportional to 18,388.42, 25,376.07 and 10,004.92

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Solution

The fourth proportional to 18,388.42, 25,376.07 and 10,004.92 is: 13,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.42 : 25,376.07 = 10,004.92 : x
  2. Step 2: Convert to fraction form
    18,388.42/25,376.07 = 10,004.92/x
  3. Step 3: Cross multiply
    18,388.42x = 25,376.07 × 10,004.92
  4. Step 4: Simplify right side
    18,388.42x = 253,885,550.26
  5. Step 5: Solve for x
    x = 253,885,550.26/18,388.42
  6. Step 6: Final answer
    x = 13,806.82

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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.