Home / 18,162.68-25,064.58-10,207.64

Finding the Fourth Proportional to 18,162.68, 25,064.58 and 10,207.64

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Solution

The fourth proportional to 18,162.68, 25,064.58 and 10,207.64 is: 14,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.68 : 25,064.58 = 10,207.64 : x
  2. Step 2: Convert to fraction form
    18,162.68/25,064.58 = 10,207.64/x
  3. Step 3: Cross multiply
    18,162.68x = 25,064.58 × 10,207.64
  4. Step 4: Simplify right side
    18,162.68x = 255,850,209.39
  5. Step 5: Solve for x
    x = 255,850,209.39/18,162.68
  6. Step 6: Final answer
    x = 14,086.59

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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.