Home / 18,388.34-25,375.41-10,004.66

Finding the Fourth Proportional to 18,388.34, 25,375.41 and 10,004.66

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Solution

The fourth proportional to 18,388.34, 25,375.41 and 10,004.66 is: 13,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.34 : 25,375.41 = 10,004.66 : x
  2. Step 2: Convert to fraction form
    18,388.34/25,375.41 = 10,004.66/x
  3. Step 3: Cross multiply
    18,388.34x = 25,375.41 × 10,004.66
  4. Step 4: Simplify right side
    18,388.34x = 253,872,349.41
  5. Step 5: Solve for x
    x = 253,872,349.41/18,388.34
  6. Step 6: Final answer
    x = 13,806.16

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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.