Home / 18,200.58-25,117.47-10,245.30

Finding the Fourth Proportional to 18,200.58, 25,117.47 and 10,245.30

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Solution

The fourth proportional to 18,200.58, 25,117.47 and 10,245.30 is: 14,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.58 : 25,117.47 = 10,245.30 : x
  2. Step 2: Convert to fraction form
    18,200.58/25,117.47 = 10,245.30/x
  3. Step 3: Cross multiply
    18,200.58x = 25,117.47 × 10,245.30
  4. Step 4: Simplify right side
    18,200.58x = 257,336,015.39
  5. Step 5: Solve for x
    x = 257,336,015.39/18,200.58
  6. Step 6: Final answer
    x = 14,138.89

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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.