Home / 18,418.48-25,416.58-10,459.64

Finding the Fourth Proportional to 18,418.48, 25,416.58 and 10,459.64

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Solution

The fourth proportional to 18,418.48, 25,416.58 and 10,459.64 is: 14,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.48 : 25,416.58 = 10,459.64 : x
  2. Step 2: Convert to fraction form
    18,418.48/25,416.58 = 10,459.64/x
  3. Step 3: Cross multiply
    18,418.48x = 25,416.58 × 10,459.64
  4. Step 4: Simplify right side
    18,418.48x = 265,848,276.83
  5. Step 5: Solve for x
    x = 265,848,276.83/18,418.48
  6. Step 6: Final answer
    x = 14,433.78

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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.