Home / 18,707.83-25,816.62-10,209.88

Finding the Fourth Proportional to 18,707.83, 25,816.62 and 10,209.88

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Solution

The fourth proportional to 18,707.83, 25,816.62 and 10,209.88 is: 14,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.83 : 25,816.62 = 10,209.88 : x
  2. Step 2: Convert to fraction form
    18,707.83/25,816.62 = 10,209.88/x
  3. Step 3: Cross multiply
    18,707.83x = 25,816.62 × 10,209.88
  4. Step 4: Simplify right side
    18,707.83x = 263,584,662.76
  5. Step 5: Solve for x
    x = 263,584,662.76/18,707.83
  6. Step 6: Final answer
    x = 14,089.54

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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.