Home / 18,819.64-25,971.58-10,322.10

Finding the Fourth Proportional to 18,819.64, 25,971.58 and 10,322.10

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Solution

The fourth proportional to 18,819.64, 25,971.58 and 10,322.10 is: 14,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.64 : 25,971.58 = 10,322.10 : x
  2. Step 2: Convert to fraction form
    18,819.64/25,971.58 = 10,322.10/x
  3. Step 3: Cross multiply
    18,819.64x = 25,971.58 × 10,322.10
  4. Step 4: Simplify right side
    18,819.64x = 268,081,245.92
  5. Step 5: Solve for x
    x = 268,081,245.92/18,819.64
  6. Step 6: Final answer
    x = 14,244.76

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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.