Home / 18,401.55-25,396.44-10,446.33

Finding the Fourth Proportional to 18,401.55, 25,396.44 and 10,446.33

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Solution

The fourth proportional to 18,401.55, 25,396.44 and 10,446.33 is: 14,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.55 : 25,396.44 = 10,446.33 : x
  2. Step 2: Convert to fraction form
    18,401.55/25,396.44 = 10,446.33/x
  3. Step 3: Cross multiply
    18,401.55x = 25,396.44 × 10,446.33
  4. Step 4: Simplify right side
    18,401.55x = 265,299,593.07
  5. Step 5: Solve for x
    x = 265,299,593.07/18,401.55
  6. Step 6: Final answer
    x = 14,417.24

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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.