Home / 18,396.15-25,389.25-10,741.92

Finding the Fourth Proportional to 18,396.15, 25,389.25 and 10,741.92

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Solution

The fourth proportional to 18,396.15, 25,389.25 and 10,741.92 is: 14,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.15 : 25,389.25 = 10,741.92 : x
  2. Step 2: Convert to fraction form
    18,396.15/25,389.25 = 10,741.92/x
  3. Step 3: Cross multiply
    18,396.15x = 25,389.25 × 10,741.92
  4. Step 4: Simplify right side
    18,396.15x = 272,729,170.30
  5. Step 5: Solve for x
    x = 272,729,170.30/18,396.15
  6. Step 6: Final answer
    x = 14,825.34

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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.