Home / 18,406.48-25,401.36-10,447.96

Finding the Fourth Proportional to 18,406.48, 25,401.36 and 10,447.96

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Solution

The fourth proportional to 18,406.48, 25,401.36 and 10,447.96 is: 14,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.48 : 25,401.36 = 10,447.96 : x
  2. Step 2: Convert to fraction form
    18,406.48/25,401.36 = 10,447.96/x
  3. Step 3: Cross multiply
    18,406.48x = 25,401.36 × 10,447.96
  4. Step 4: Simplify right side
    18,406.48x = 265,392,393.23
  5. Step 5: Solve for x
    x = 265,392,393.23/18,406.48
  6. Step 6: Final answer
    x = 14,418.42

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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.