Home / 18,416.96-25,414.48-10,458.16

Finding the Fourth Proportional to 18,416.96, 25,414.48 and 10,458.16

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Solution

The fourth proportional to 18,416.96, 25,414.48 and 10,458.16 is: 14,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.96 : 25,414.48 = 10,458.16 : x
  2. Step 2: Convert to fraction form
    18,416.96/25,414.48 = 10,458.16/x
  3. Step 3: Cross multiply
    18,416.96x = 25,414.48 × 10,458.16
  4. Step 4: Simplify right side
    18,416.96x = 265,788,698.16
  5. Step 5: Solve for x
    x = 265,788,698.16/18,416.96
  6. Step 6: Final answer
    x = 14,431.74

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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.